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Finding the Fourth Proportional to 5,754.60, 7,936.38 and 4,493.70

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Solution

The fourth proportional to 5,754.60, 7,936.38 and 4,493.70 is: 6,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.60 : 7,936.38 = 4,493.70 : x
  2. Step 2: Convert to fraction form
    5,754.60/7,936.38 = 4,493.70/x
  3. Step 3: Cross multiply
    5,754.60x = 7,936.38 × 4,493.70
  4. Step 4: Simplify right side
    5,754.60x = 35,663,710.81
  5. Step 5: Solve for x
    x = 35,663,710.81/5,754.60
  6. Step 6: Final answer
    x = 6,197.43

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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.