Question

ratio
simplify

4x:9=7:3

Answer 1

Answer:

4x:9=7:3 can be written as

$\frac{4x}{9} = \frac{7}{3}$

Cross multiply

We have

4x(3) = 9 × 7

12x = 63

Divide both sides by 12

$x = \frac{21}{4} \: \: \: \: \: or \: \: \: 5 \frac{1}{4}$

Hope this helps you

Answer 2

Answer:

$\boxed{x=\frac{21}{4}}$

Step-by-step explanation:

$4x:9=7:3$

Turn ratios to fractions.

$\frac{4x}{9} =\frac{7}{3}$

Cross multiplication.

$4x \times 3 = 9 \times 7$

Simplify.

$12x=63$

Divide both sides by 12.

$x=\frac{63}{12}$

$x=\frac{21}{4}$