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Finding the Fourth Proportional to 3,723.44, 5,607.44 and 3,391.29

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Solution

The fourth proportional to 3,723.44, 5,607.44 and 3,391.29 is: 5,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.44 : 5,607.44 = 3,391.29 : x
  2. Step 2: Convert to fraction form
    3,723.44/5,607.44 = 3,391.29/x
  3. Step 3: Cross multiply
    3,723.44x = 5,607.44 × 3,391.29
  4. Step 4: Simplify right side
    3,723.44x = 19,016,438.24
  5. Step 5: Solve for x
    x = 19,016,438.24/3,723.44
  6. Step 6: Final answer
    x = 5,107.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.