Home / 6,622.48-9,920.80-3,691.96

Finding the Fourth Proportional to 6,622.48, 9,920.80 and 3,691.96

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Solution

The fourth proportional to 6,622.48, 9,920.80 and 3,691.96 is: 5,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.48 : 9,920.80 = 3,691.96 : x
  2. Step 2: Convert to fraction form
    6,622.48/9,920.80 = 3,691.96/x
  3. Step 3: Cross multiply
    6,622.48x = 9,920.80 × 3,691.96
  4. Step 4: Simplify right side
    6,622.48x = 36,627,196.77
  5. Step 5: Solve for x
    x = 36,627,196.77/6,622.48
  6. Step 6: Final answer
    x = 5,530.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.