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Finding the Fourth Proportional to 5,927.17, 8,181.13 and 3,687.71

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Solution

The fourth proportional to 5,927.17, 8,181.13 and 3,687.71 is: 5,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.17 : 8,181.13 = 3,687.71 : x
  2. Step 2: Convert to fraction form
    5,927.17/8,181.13 = 3,687.71/x
  3. Step 3: Cross multiply
    5,927.17x = 8,181.13 × 3,687.71
  4. Step 4: Simplify right side
    5,927.17x = 30,169,634.91
  5. Step 5: Solve for x
    x = 30,169,634.91/5,927.17
  6. Step 6: Final answer
    x = 5,090.06

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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.