Home / 5,565.12-8,350.40-3,101.76

Finding the Fourth Proportional to 5,565.12, 8,350.40 and 3,101.76

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Solution

The fourth proportional to 5,565.12, 8,350.40 and 3,101.76 is: 4,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.12 : 8,350.40 = 3,101.76 : x
  2. Step 2: Convert to fraction form
    5,565.12/8,350.40 = 3,101.76/x
  3. Step 3: Cross multiply
    5,565.12x = 8,350.40 × 3,101.76
  4. Step 4: Simplify right side
    5,565.12x = 25,900,936.70
  5. Step 5: Solve for x
    x = 25,900,936.70/5,565.12
  6. Step 6: Final answer
    x = 4,654.16

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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.