Home / 7,402.22-11,104.32-3,451.50

Finding the Fourth Proportional to 7,402.22, 11,104.32 and 3,451.50

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Solution

The fourth proportional to 7,402.22, 11,104.32 and 3,451.50 is: 5,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.22 : 11,104.32 = 3,451.50 : x
  2. Step 2: Convert to fraction form
    7,402.22/11,104.32 = 3,451.50/x
  3. Step 3: Cross multiply
    7,402.22x = 11,104.32 × 3,451.50
  4. Step 4: Simplify right side
    7,402.22x = 38,326,560.48
  5. Step 5: Solve for x
    x = 38,326,560.48/7,402.22
  6. Step 6: Final answer
    x = 5,177.72

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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.