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Finding the Fourth Proportional to 5,722.92, 7,900.02 and 4,843.26

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Solution

The fourth proportional to 5,722.92, 7,900.02 and 4,843.26 is: 6,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.92 : 7,900.02 = 4,843.26 : x
  2. Step 2: Convert to fraction form
    5,722.92/7,900.02 = 4,843.26/x
  3. Step 3: Cross multiply
    5,722.92x = 7,900.02 × 4,843.26
  4. Step 4: Simplify right side
    5,722.92x = 38,261,850.87
  5. Step 5: Solve for x
    x = 38,261,850.87/5,722.92
  6. Step 6: Final answer
    x = 6,685.72

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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.