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Finding the Fourth Proportional to 3,640.92, 5,024.62 and 2,069.16

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Solution

The fourth proportional to 3,640.92, 5,024.62 and 2,069.16 is: 2,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.92 : 5,024.62 = 2,069.16 : x
  2. Step 2: Convert to fraction form
    3,640.92/5,024.62 = 2,069.16/x
  3. Step 3: Cross multiply
    3,640.92x = 5,024.62 × 2,069.16
  4. Step 4: Simplify right side
    3,640.92x = 10,396,742.72
  5. Step 5: Solve for x
    x = 10,396,742.72/3,640.92
  6. Step 6: Final answer
    x = 2,855.53

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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.