Home / 7,577.28-11,372.31-3,197.88

Finding the Fourth Proportional to 7,577.28, 11,372.31 and 3,197.88

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Solution

The fourth proportional to 7,577.28, 11,372.31 and 3,197.88 is: 4,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.28 : 11,372.31 = 3,197.88 : x
  2. Step 2: Convert to fraction form
    7,577.28/11,372.31 = 3,197.88/x
  3. Step 3: Cross multiply
    7,577.28x = 11,372.31 × 3,197.88
  4. Step 4: Simplify right side
    7,577.28x = 36,367,282.70
  5. Step 5: Solve for x
    x = 36,367,282.70/7,577.28
  6. Step 6: Final answer
    x = 4,799.52

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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.