Home / 4,176.73-5,761.10-2,686.53

Finding the Fourth Proportional to 4,176.73, 5,761.10 and 2,686.53

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Solution

The fourth proportional to 4,176.73, 5,761.10 and 2,686.53 is: 3,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.73 : 5,761.10 = 2,686.53 : x
  2. Step 2: Convert to fraction form
    4,176.73/5,761.10 = 2,686.53/x
  3. Step 3: Cross multiply
    4,176.73x = 5,761.10 × 2,686.53
  4. Step 4: Simplify right side
    4,176.73x = 15,477,367.98
  5. Step 5: Solve for x
    x = 15,477,367.98/4,176.73
  6. Step 6: Final answer
    x = 3,705.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.