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Finding the Fourth Proportional to 3,791.44, 5,670.72 and 2,227.72

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Solution

The fourth proportional to 3,791.44, 5,670.72 and 2,227.72 is: 3,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.44 : 5,670.72 = 2,227.72 : x
  2. Step 2: Convert to fraction form
    3,791.44/5,670.72 = 2,227.72/x
  3. Step 3: Cross multiply
    3,791.44x = 5,670.72 × 2,227.72
  4. Step 4: Simplify right side
    3,791.44x = 12,632,776.36
  5. Step 5: Solve for x
    x = 12,632,776.36/3,791.44
  6. Step 6: Final answer
    x = 3,331.92

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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.