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Finding the Fourth Proportional to 5,874.75, 8,108.12 and 3,392.19

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Solution

The fourth proportional to 5,874.75, 8,108.12 and 3,392.19 is: 4,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.75 : 8,108.12 = 3,392.19 : x
  2. Step 2: Convert to fraction form
    5,874.75/8,108.12 = 3,392.19/x
  3. Step 3: Cross multiply
    5,874.75x = 8,108.12 × 3,392.19
  4. Step 4: Simplify right side
    5,874.75x = 27,504,266.62
  5. Step 5: Solve for x
    x = 27,504,266.62/5,874.75
  6. Step 6: Final answer
    x = 4,681.78

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Half scale
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Double 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.