Question

in a proportion, the first second third terms are 9500,7500 and 665, respectively. find the fourth term.

Answer 1

9500:7500::665:x
x=7500×665/9500=525

Answer 2

The fourth proportion is 525.

Step-by-step explanation:

Given : In a proportion, the first second third terms are 9500,7500 and 665, respectively.

To find : The fourth term ?

Solution :

Let the fourth proportion be 'x'.

Now, If 9500,7500,665 and x are in proportion i.e. $9500:7500::665:x$ then

$\frac{9500}{7500}=\frac{665}{x}$

Cross multiply,

$9500\times x=665\times 7500$

$x=\frac{665\times 7500}{9500}$

$x=525$

Therefore, the fourth proportion is 525.

#Learn more

Find the first term of the proportion whose second, third and fourth terms are 30,60 and 45 respectively.​

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