Insert six rational numbers between `3` and `4`.

Explanation

To insert six rational numbers between 3 and 4, we can follow these steps:

### Step 1: Convert the numbers to a common format
We start by converting 3 and 4 into fractions with a common denominator. We can multiply both numbers by 10 to make it easier to find rational numbers between them.

- \( 3 = \frac{3 \times 10}{10} = \frac{30}{10} \)
- \( 4 = \frac{4 \times 10}{10} = \frac{40}{10} \)

...