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Finding the Fourth Proportional to 2,545.92, 3,817.58 and 902.22

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Solution

The fourth proportional to 2,545.92, 3,817.58 and 902.22 is: 1,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.92 : 3,817.58 = 902.22 : x
  2. Step 2: Convert to fraction form
    2,545.92/3,817.58 = 902.22/x
  3. Step 3: Cross multiply
    2,545.92x = 3,817.58 × 902.22
  4. Step 4: Simplify right side
    2,545.92x = 3,444,297.03
  5. Step 5: Solve for x
    x = 3,444,297.03/2,545.92
  6. Step 6: Final answer
    x = 1,352.87

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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.