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Finding the Fourth Proportional to 3,663.87, 5,057.04 and 2,092.87

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Solution

The fourth proportional to 3,663.87, 5,057.04 and 2,092.87 is: 2,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.87 : 5,057.04 = 2,092.87 : x
  2. Step 2: Convert to fraction form
    3,663.87/5,057.04 = 2,092.87/x
  3. Step 3: Cross multiply
    3,663.87x = 5,057.04 × 2,092.87
  4. Step 4: Simplify right side
    3,663.87x = 10,583,727.30
  5. Step 5: Solve for x
    x = 10,583,727.30/3,663.87
  6. Step 6: Final answer
    x = 2,888.67

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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.