Home / 7,508.40-11,255.10-3,552.61

Finding the Fourth Proportional to 7,508.40, 11,255.10 and 3,552.61

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Solution

The fourth proportional to 7,508.40, 11,255.10 and 3,552.61 is: 5,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.40 : 11,255.10 = 3,552.61 : x
  2. Step 2: Convert to fraction form
    7,508.40/11,255.10 = 3,552.61/x
  3. Step 3: Cross multiply
    7,508.40x = 11,255.10 × 3,552.61
  4. Step 4: Simplify right side
    7,508.40x = 39,984,980.44
  5. Step 5: Solve for x
    x = 39,984,980.44/7,508.40
  6. Step 6: Final answer
    x = 5,325.37

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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.