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Finding the Fourth Proportional to 4,997.80, 6,903.02 and 3,744.43

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Solution

The fourth proportional to 4,997.80, 6,903.02 and 3,744.43 is: 5,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.80 : 6,903.02 = 3,744.43 : x
  2. Step 2: Convert to fraction form
    4,997.80/6,903.02 = 3,744.43/x
  3. Step 3: Cross multiply
    4,997.80x = 6,903.02 × 3,744.43
  4. Step 4: Simplify right side
    4,997.80x = 25,847,867.28
  5. Step 5: Solve for x
    x = 25,847,867.28/4,997.80
  6. Step 6: Final answer
    x = 5,171.85

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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.