Home / 7,575.28-11,356.38-3,195.88

Finding the Fourth Proportional to 7,575.28, 11,356.38 and 3,195.88

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Solution

The fourth proportional to 7,575.28, 11,356.38 and 3,195.88 is: 4,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.28 : 11,356.38 = 3,195.88 : x
  2. Step 2: Convert to fraction form
    7,575.28/11,356.38 = 3,195.88/x
  3. Step 3: Cross multiply
    7,575.28x = 11,356.38 × 3,195.88
  4. Step 4: Simplify right side
    7,575.28x = 36,293,627.71
  5. Step 5: Solve for x
    x = 36,293,627.71/7,575.28
  6. Step 6: Final answer
    x = 4,791.06

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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.