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Finding the Fourth Proportional to 3,793.46, 5,693.64 and 2,740.28

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Solution

The fourth proportional to 3,793.46, 5,693.64 and 2,740.28 is: 4,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.46 : 5,693.64 = 2,740.28 : x
  2. Step 2: Convert to fraction form
    3,793.46/5,693.64 = 2,740.28/x
  3. Step 3: Cross multiply
    3,793.46x = 5,693.64 × 2,740.28
  4. Step 4: Simplify right side
    3,793.46x = 15,602,167.82
  5. Step 5: Solve for x
    x = 15,602,167.82/3,793.46
  6. Step 6: Final answer
    x = 4,112.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.