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Finding the Fourth Proportional to 2,717.73, 4,080.20 and 1,744.29

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Solution

The fourth proportional to 2,717.73, 4,080.20 and 1,744.29 is: 2,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.73 : 4,080.20 = 1,744.29 : x
  2. Step 2: Convert to fraction form
    2,717.73/4,080.20 = 1,744.29/x
  3. Step 3: Cross multiply
    2,717.73x = 4,080.20 × 1,744.29
  4. Step 4: Simplify right side
    2,717.73x = 7,117,043.34
  5. Step 5: Solve for x
    x = 7,117,043.34/2,717.73
  6. Step 6: Final answer
    x = 2,618.75

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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.