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Finding the Fourth Proportional to 2,917.62, 4,026.11 and 1,798.13

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Solution

The fourth proportional to 2,917.62, 4,026.11 and 1,798.13 is: 2,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.62 : 4,026.11 = 1,798.13 : x
  2. Step 2: Convert to fraction form
    2,917.62/4,026.11 = 1,798.13/x
  3. Step 3: Cross multiply
    2,917.62x = 4,026.11 × 1,798.13
  4. Step 4: Simplify right side
    2,917.62x = 7,239,470.25
  5. Step 5: Solve for x
    x = 7,239,470.25/2,917.62
  6. Step 6: Final answer
    x = 2,481.29

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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.