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Finding the Fourth Proportional to 3,693.74, 5,540.55 and 1,747.34

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Solution

The fourth proportional to 3,693.74, 5,540.55 and 1,747.34 is: 2,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.74 : 5,540.55 = 1,747.34 : x
  2. Step 2: Convert to fraction form
    3,693.74/5,540.55 = 1,747.34/x
  3. Step 3: Cross multiply
    3,693.74x = 5,540.55 × 1,747.34
  4. Step 4: Simplify right side
    3,693.74x = 9,681,224.64
  5. Step 5: Solve for x
    x = 9,681,224.64/3,693.74
  6. Step 6: Final answer
    x = 2,620.98

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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.