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Finding the Fourth Proportional to 3,703.72, 5,111.13 and 2,025.13

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Solution

The fourth proportional to 3,703.72, 5,111.13 and 2,025.13 is: 2,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.72 : 5,111.13 = 2,025.13 : x
  2. Step 2: Convert to fraction form
    3,703.72/5,111.13 = 2,025.13/x
  3. Step 3: Cross multiply
    3,703.72x = 5,111.13 × 2,025.13
  4. Step 4: Simplify right side
    3,703.72x = 10,350,702.70
  5. Step 5: Solve for x
    x = 10,350,702.70/3,703.72
  6. Step 6: Final answer
    x = 2,794.68

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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.