Home / 6,175.38-8,519.88-3,520.86

Finding the Fourth Proportional to 6,175.38, 8,519.88 and 3,520.86

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Solution

The fourth proportional to 6,175.38, 8,519.88 and 3,520.86 is: 4,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.38 : 8,519.88 = 3,520.86 : x
  2. Step 2: Convert to fraction form
    6,175.38/8,519.88 = 3,520.86/x
  3. Step 3: Cross multiply
    6,175.38x = 8,519.88 × 3,520.86
  4. Step 4: Simplify right side
    6,175.38x = 29,997,304.70
  5. Step 5: Solve for x
    x = 29,997,304.70/6,175.38
  6. Step 6: Final answer
    x = 4,857.56

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Half scale
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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.