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Finding the Fourth Proportional to 5,805.74, 8,713.85 and 3,927.09

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Solution

The fourth proportional to 5,805.74, 8,713.85 and 3,927.09 is: 5,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.74 : 8,713.85 = 3,927.09 : x
  2. Step 2: Convert to fraction form
    5,805.74/8,713.85 = 3,927.09/x
  3. Step 3: Cross multiply
    5,805.74x = 8,713.85 × 3,927.09
  4. Step 4: Simplify right side
    5,805.74x = 34,220,073.20
  5. Step 5: Solve for x
    x = 34,220,073.20/5,805.74
  6. Step 6: Final answer
    x = 5,894.18

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1.5x scale

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.