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Finding the Fourth Proportional to 4,957.68, 6,839.64 and 3,279.96

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Solution

The fourth proportional to 4,957.68, 6,839.64 and 3,279.96 is: 4,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.68 : 6,839.64 = 3,279.96 : x
  2. Step 2: Convert to fraction form
    4,957.68/6,839.64 = 3,279.96/x
  3. Step 3: Cross multiply
    4,957.68x = 6,839.64 × 3,279.96
  4. Step 4: Simplify right side
    4,957.68x = 22,433,745.61
  5. Step 5: Solve for x
    x = 22,433,745.61/4,957.68
  6. Step 6: Final answer
    x = 4,525.05

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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.