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Finding the Fourth Proportional to 2,747.57, 3,793.19 and 2,003.18

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Solution

The fourth proportional to 2,747.57, 3,793.19 and 2,003.18 is: 2,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.57 : 3,793.19 = 2,003.18 : x
  2. Step 2: Convert to fraction form
    2,747.57/3,793.19 = 2,003.18/x
  3. Step 3: Cross multiply
    2,747.57x = 3,793.19 × 2,003.18
  4. Step 4: Simplify right side
    2,747.57x = 7,598,413.36
  5. Step 5: Solve for x
    x = 7,598,413.36/2,747.57
  6. Step 6: Final answer
    x = 2,765.51

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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.