Home / 5,202.82-7,177.89-3,209.92

Finding the Fourth Proportional to 5,202.82, 7,177.89 and 3,209.92

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Solution

The fourth proportional to 5,202.82, 7,177.89 and 3,209.92 is: 4,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.82 : 7,177.89 = 3,209.92 : x
  2. Step 2: Convert to fraction form
    5,202.82/7,177.89 = 3,209.92/x
  3. Step 3: Cross multiply
    5,202.82x = 7,177.89 × 3,209.92
  4. Step 4: Simplify right side
    5,202.82x = 23,040,436.62
  5. Step 5: Solve for x
    x = 23,040,436.62/5,202.82
  6. Step 6: Final answer
    x = 4,428.45

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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.