Home / 4,291.92-6,432.12-3,531.60

Finding the Fourth Proportional to 4,291.92, 6,432.12 and 3,531.60

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Solution

The fourth proportional to 4,291.92, 6,432.12 and 3,531.60 is: 5,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.92 : 6,432.12 = 3,531.60 : x
  2. Step 2: Convert to fraction form
    4,291.92/6,432.12 = 3,531.60/x
  3. Step 3: Cross multiply
    4,291.92x = 6,432.12 × 3,531.60
  4. Step 4: Simplify right side
    4,291.92x = 22,715,674.99
  5. Step 5: Solve for x
    x = 22,715,674.99/4,291.92
  6. Step 6: Final answer
    x = 5,292.66

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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.