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Finding the Fourth Proportional to 3,793.70, 5,235.30 and 2,281.03

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Solution

The fourth proportional to 3,793.70, 5,235.30 and 2,281.03 is: 3,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.70 : 5,235.30 = 2,281.03 : x
  2. Step 2: Convert to fraction form
    3,793.70/5,235.30 = 2,281.03/x
  3. Step 3: Cross multiply
    3,793.70x = 5,235.30 × 2,281.03
  4. Step 4: Simplify right side
    3,793.70x = 11,941,863.27
  5. Step 5: Solve for x
    x = 11,941,863.27/3,793.70
  6. Step 6: Final answer
    x = 3,147.81

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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.