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Finding the Fourth Proportional to 2,708.93, 3,738.03 and 2,001.15

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Solution

The fourth proportional to 2,708.93, 3,738.03 and 2,001.15 is: 2,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.93 : 3,738.03 = 2,001.15 : x
  2. Step 2: Convert to fraction form
    2,708.93/3,738.03 = 2,001.15/x
  3. Step 3: Cross multiply
    2,708.93x = 3,738.03 × 2,001.15
  4. Step 4: Simplify right side
    2,708.93x = 7,480,358.73
  5. Step 5: Solve for x
    x = 7,480,358.73/2,708.93
  6. Step 6: Final answer
    x = 2,761.38

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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.