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Finding the Fourth Proportional to 6,474.62, 8,934.30 and 3,957.34

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Solution

The fourth proportional to 6,474.62, 8,934.30 and 3,957.34 is: 5,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.62 : 8,934.30 = 3,957.34 : x
  2. Step 2: Convert to fraction form
    6,474.62/8,934.30 = 3,957.34/x
  3. Step 3: Cross multiply
    6,474.62x = 8,934.30 × 3,957.34
  4. Step 4: Simplify right side
    6,474.62x = 35,356,062.76
  5. Step 5: Solve for x
    x = 35,356,062.76/6,474.62
  6. Step 6: Final answer
    x = 5,460.72

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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.