Home / 5,132.68-7,691.90-2,936.76

Finding the Fourth Proportional to 5,132.68, 7,691.90 and 2,936.76

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Solution

The fourth proportional to 5,132.68, 7,691.90 and 2,936.76 is: 4,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.68 : 7,691.90 = 2,936.76 : x
  2. Step 2: Convert to fraction form
    5,132.68/7,691.90 = 2,936.76/x
  3. Step 3: Cross multiply
    5,132.68x = 7,691.90 × 2,936.76
  4. Step 4: Simplify right side
    5,132.68x = 22,589,264.24
  5. Step 5: Solve for x
    x = 22,589,264.24/5,132.68
  6. Step 6: Final answer
    x = 4,401.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.