Home / 6,343.20-8,753.52-3,548.70

Finding the Fourth Proportional to 6,343.20, 8,753.52 and 3,548.70

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Solution

The fourth proportional to 6,343.20, 8,753.52 and 3,548.70 is: 4,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.20 : 8,753.52 = 3,548.70 : x
  2. Step 2: Convert to fraction form
    6,343.20/8,753.52 = 3,548.70/x
  3. Step 3: Cross multiply
    6,343.20x = 8,753.52 × 3,548.70
  4. Step 4: Simplify right side
    6,343.20x = 31,063,616.42
  5. Step 5: Solve for x
    x = 31,063,616.42/6,343.20
  6. Step 6: Final answer
    x = 4,897.15

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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.