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Geometry

Ray C. Jurgensen, Richard G. Brown, John W. Jurgensen

$Math Studyset 91影视 Explanations$ Math

Student Edition 路 227 pages

ISBN: 9780395977279

Chapter 7: Q9. (page 247)

Find the value of x.
$\frac{x}{4} = \frac{3}{5}$

Short Answer

Expert verified

The value of X is $\frac{12}{5}$ .

Step by step solution

01

Step 1. Given information.

The ratio here given is,

$\frac{x}{4} = \frac{3}{5}$

02

Step 2. Concept and Formula Used.

The properties of proportion,

if $\frac{a}{b} = \frac{c}{d}$ then, $a d = b c$

The given ratio is $\frac{x}{4} = \frac{3}{5}$ ,

03

Step 3. Use the property of proportion, if ab=cd then, ad=bc.

Then,

$5 x = 12$

04

Step 4. Divide both sides by 5.

$\begin{array}{l} \frac{5 x}{5} = \frac{12}{5} \\ x = \frac{12}{5} \end{array}$

Therefore, The value of X is $\frac{12}{5}$ .

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Most popular questions from this chapter

. $x = 12, y = 10, a n d z = 24$ Write each ratio in simplest form.

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Complete the statement.

If $\frac{g}{h} = \frac{j}{8}$ then $\frac{j}{g} = \frac{?}{?}$

$x = 12, y = 10, a n d z = 24$ .Write each ratio in simplest form.

$x+ytoz$

What is the ratio of 750 mL to 1.5 L?

What can you conclude from the given information.

Apply the means-extremes property to $\frac{a}{b} = \frac{c}{d}$ and also to $\frac{a}{c} = \frac{b}{d}$

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