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Finding the Fourth Proportional to 3,861.82, 5,329.31 and 2,093.43

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Solution

The fourth proportional to 3,861.82, 5,329.31 and 2,093.43 is: 2,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.82 : 5,329.31 = 2,093.43 : x
  2. Step 2: Convert to fraction form
    3,861.82/5,329.31 = 2,093.43/x
  3. Step 3: Cross multiply
    3,861.82x = 5,329.31 × 2,093.43
  4. Step 4: Simplify right side
    3,861.82x = 11,156,537.43
  5. Step 5: Solve for x
    x = 11,156,537.43/3,861.82
  6. Step 6: Final answer
    x = 2,888.93

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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.