Question

if1,a,5 and 15 are in proportion,find the vaue of a

Answer 1

Step-by-step explanation:

1 : a : : 5 : 15

$\frac{1}{a} = \frac{5}{15}$

$5a = 15$

$a = \frac{15}{5}$

$a = 3$

The value of a is 3.

Answer 2

Answer:

the answer is 3

Step-by-step explanation:

I think it is correct