Home / 7,531.48-11,299.76-3,374.36

Finding the Fourth Proportional to 7,531.48, 11,299.76 and 3,374.36

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Solution

The fourth proportional to 7,531.48, 11,299.76 and 3,374.36 is: 5,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.48 : 11,299.76 = 3,374.36 : x
  2. Step 2: Convert to fraction form
    7,531.48/11,299.76 = 3,374.36/x
  3. Step 3: Cross multiply
    7,531.48x = 11,299.76 × 3,374.36
  4. Step 4: Simplify right side
    7,531.48x = 38,129,458.15
  5. Step 5: Solve for x
    x = 38,129,458.15/7,531.48
  6. Step 6: Final answer
    x = 5,062.68

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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.