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Finding the Fourth Proportional to 2,093.97, 3,140.41 and 996.15

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Solution

The fourth proportional to 2,093.97, 3,140.41 and 996.15 is: 1,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.97 : 3,140.41 = 996.15 : x
  2. Step 2: Convert to fraction form
    2,093.97/3,140.41 = 996.15/x
  3. Step 3: Cross multiply
    2,093.97x = 3,140.41 × 996.15
  4. Step 4: Simplify right side
    2,093.97x = 3,128,319.42
  5. Step 5: Solve for x
    x = 3,128,319.42/2,093.97
  6. Step 6: Final answer
    x = 1,493.97

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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.