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Finding the Fourth Proportional to 6,239.27, 8,608.10 and 3,881.27

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Solution

The fourth proportional to 6,239.27, 8,608.10 and 3,881.27 is: 5,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.27 : 8,608.10 = 3,881.27 : x
  2. Step 2: Convert to fraction form
    6,239.27/8,608.10 = 3,881.27/x
  3. Step 3: Cross multiply
    6,239.27x = 8,608.10 × 3,881.27
  4. Step 4: Simplify right side
    6,239.27x = 33,410,362.40
  5. Step 5: Solve for x
    x = 33,410,362.40/6,239.27
  6. Step 6: Final answer
    x = 5,354.85

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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.