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Finding the Fourth Proportional to 6,340.56, 8,754.26 and 3,951.48

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Solution

The fourth proportional to 6,340.56, 8,754.26 and 3,951.48 is: 5,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.56 : 8,754.26 = 3,951.48 : x
  2. Step 2: Convert to fraction form
    6,340.56/8,754.26 = 3,951.48/x
  3. Step 3: Cross multiply
    6,340.56x = 8,754.26 × 3,951.48
  4. Step 4: Simplify right side
    6,340.56x = 34,592,283.30
  5. Step 5: Solve for x
    x = 34,592,283.30/6,340.56
  6. Step 6: Final answer
    x = 5,455.71

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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.