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Finding the Fourth Proportional to 5,857.98, 8,086.95 and 4,528.68

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Solution

The fourth proportional to 5,857.98, 8,086.95 and 4,528.68 is: 6,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.98 : 8,086.95 = 4,528.68 : x
  2. Step 2: Convert to fraction form
    5,857.98/8,086.95 = 4,528.68/x
  3. Step 3: Cross multiply
    5,857.98x = 8,086.95 × 4,528.68
  4. Step 4: Simplify right side
    5,857.98x = 36,623,208.73
  5. Step 5: Solve for x
    x = 36,623,208.73/5,857.98
  6. Step 6: Final answer
    x = 6,251.85

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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.