Home / 3,132.39-4,691.10-1,742.27

Finding the Fourth Proportional to 3,132.39, 4,691.10 and 1,742.27

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Solution

The fourth proportional to 3,132.39, 4,691.10 and 1,742.27 is: 2,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.39 : 4,691.10 = 1,742.27 : x
  2. Step 2: Convert to fraction form
    3,132.39/4,691.10 = 1,742.27/x
  3. Step 3: Cross multiply
    3,132.39x = 4,691.10 × 1,742.27
  4. Step 4: Simplify right side
    3,132.39x = 8,173,174.52
  5. Step 5: Solve for x
    x = 8,173,174.52/3,132.39
  6. Step 6: Final answer
    x = 2,609.25

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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.