Home / 4,140.72-5,713.68-2,462.20

Finding the Fourth Proportional to 4,140.72, 5,713.68 and 2,462.20

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Solution

The fourth proportional to 4,140.72, 5,713.68 and 2,462.20 is: 3,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.72 : 5,713.68 = 2,462.20 : x
  2. Step 2: Convert to fraction form
    4,140.72/5,713.68 = 2,462.20/x
  3. Step 3: Cross multiply
    4,140.72x = 5,713.68 × 2,462.20
  4. Step 4: Simplify right side
    4,140.72x = 14,068,222.90
  5. Step 5: Solve for x
    x = 14,068,222.90/4,140.72
  6. Step 6: Final answer
    x = 3,397.53

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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.