Home / 7,531.50-11,299.62-3,375

Finding the Fourth Proportional to 7,531.50, 11,299.62 and 3,375

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Solution

The fourth proportional to 7,531.50, 11,299.62 and 3,375 is: 5,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.50 : 11,299.62 = 3,375 : x
  2. Step 2: Convert to fraction form
    7,531.50/11,299.62 = 3,375/x
  3. Step 3: Cross multiply
    7,531.50x = 11,299.62 × 3,375
  4. Step 4: Simplify right side
    7,531.50x = 38,136,217.50
  5. Step 5: Solve for x
    x = 38,136,217.50/7,531.50
  6. Step 6: Final answer
    x = 5,063.56

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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.