Home / 4,129.10-5,700.76-2,869.76

Finding the Fourth Proportional to 4,129.10, 5,700.76 and 2,869.76

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Solution

The fourth proportional to 4,129.10, 5,700.76 and 2,869.76 is: 3,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.10 : 5,700.76 = 2,869.76 : x
  2. Step 2: Convert to fraction form
    4,129.10/5,700.76 = 2,869.76/x
  3. Step 3: Cross multiply
    4,129.10x = 5,700.76 × 2,869.76
  4. Step 4: Simplify right side
    4,129.10x = 16,359,813.02
  5. Step 5: Solve for x
    x = 16,359,813.02/4,129.10
  6. Step 6: Final answer
    x = 3,962.08

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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.