Home / 3,691.38-5,533.50-1,350.74

Finding the Fourth Proportional to 3,691.38, 5,533.50 and 1,350.74

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Solution

The fourth proportional to 3,691.38, 5,533.50 and 1,350.74 is: 2,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.38 : 5,533.50 = 1,350.74 : x
  2. Step 2: Convert to fraction form
    3,691.38/5,533.50 = 1,350.74/x
  3. Step 3: Cross multiply
    3,691.38x = 5,533.50 × 1,350.74
  4. Step 4: Simplify right side
    3,691.38x = 7,474,319.79
  5. Step 5: Solve for x
    x = 7,474,319.79/3,691.38
  6. Step 6: Final answer
    x = 2,024.80

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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.