Home / 5,330.13-7,355.60-2,972.43

Finding the Fourth Proportional to 5,330.13, 7,355.60 and 2,972.43

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Solution

The fourth proportional to 5,330.13, 7,355.60 and 2,972.43 is: 4,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.13 : 7,355.60 = 2,972.43 : x
  2. Step 2: Convert to fraction form
    5,330.13/7,355.60 = 2,972.43/x
  3. Step 3: Cross multiply
    5,330.13x = 7,355.60 × 2,972.43
  4. Step 4: Simplify right side
    5,330.13x = 21,864,006.11
  5. Step 5: Solve for x
    x = 21,864,006.11/5,330.13
  6. Step 6: Final answer
    x = 4,101.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.