- Determine the two consecutive multiples of 10 that bracket 4,172
- 4,172 is between 4,170 and 4,180
- 4,175 is the midpoint between 4,170 and 4,180
- As illustrated on the number line, 4,172 is less than the midpoint (4,175)
- Therefore, 4,172 rounded to the nearest ten = 4,170
