Home / 5,963.55-8,229.77-3,311.20

Finding the Fourth Proportional to 5,963.55, 8,229.77 and 3,311.20

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Solution

The fourth proportional to 5,963.55, 8,229.77 and 3,311.20 is: 4,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,963.55 : 8,229.77 = 3,311.20 : x
  2. Step 2: Convert to fraction form
    5,963.55/8,229.77 = 3,311.20/x
  3. Step 3: Cross multiply
    5,963.55x = 8,229.77 × 3,311.20
  4. Step 4: Simplify right side
    5,963.55x = 27,250,414.42
  5. Step 5: Solve for x
    x = 27,250,414.42/5,963.55
  6. Step 6: Final answer
    x = 4,569.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.