Respuesta :

Answer:

7/4

Step-by-step explanation:

As multiplying 4/7 by 7/4 give 28/28 which is equivalent to 1.

Answer:

The no. is 7/4.

Step-by-step explanation:

Suppose no. is x

Then,

x (4/7) =1

x= 1(7/4) ( Reciprocated =1×7/4)

x= 7/4