Home / 5,084.68-7,631.18-2,166.28

Finding the Fourth Proportional to 5,084.68, 7,631.18 and 2,166.28

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Solution

The fourth proportional to 5,084.68, 7,631.18 and 2,166.28 is: 3,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.68 : 7,631.18 = 2,166.28 : x
  2. Step 2: Convert to fraction form
    5,084.68/7,631.18 = 2,166.28/x
  3. Step 3: Cross multiply
    5,084.68x = 7,631.18 × 2,166.28
  4. Step 4: Simplify right side
    5,084.68x = 16,531,272.61
  5. Step 5: Solve for x
    x = 16,531,272.61/5,084.68
  6. Step 6: Final answer
    x = 3,251.19

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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.