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Finding the Fourth Proportional to 3,545.88, 4,893.31 and 1,974.27

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Solution

The fourth proportional to 3,545.88, 4,893.31 and 1,974.27 is: 2,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.88 : 4,893.31 = 1,974.27 : x
  2. Step 2: Convert to fraction form
    3,545.88/4,893.31 = 1,974.27/x
  3. Step 3: Cross multiply
    3,545.88x = 4,893.31 × 1,974.27
  4. Step 4: Simplify right side
    3,545.88x = 9,660,715.13
  5. Step 5: Solve for x
    x = 9,660,715.13/3,545.88
  6. Step 6: Final answer
    x = 2,724.49

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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.