4,291:0,7?

To solve the expression \( 4,291:0,7 \), we can interpret it as \( 4,291 \div 0.7 \).

To perform the division, you can follow these steps:

1. Convert \( 0.7 \) to a whole number by multiplying both the numerator and the denominator by 10.

   \[ 4,291 \div 0.7 = \frac{4,291 \times 10}{0.7 \times 10} = \frac{42,910}{7} \]

2. Now, divide \( 42,910 \) by \( 7 \):

   \[ 42,910 \div 7 = 6,130 \]

So, \( 4,291:0,7 = 6,130 \).