Home / 2,729.28-3,766.56-1,797.12

Finding the Fourth Proportional to 2,729.28, 3,766.56 and 1,797.12

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Solution

The fourth proportional to 2,729.28, 3,766.56 and 1,797.12 is: 2,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.28 : 3,766.56 = 1,797.12 : x
  2. Step 2: Convert to fraction form
    2,729.28/3,766.56 = 1,797.12/x
  3. Step 3: Cross multiply
    2,729.28x = 3,766.56 × 1,797.12
  4. Step 4: Simplify right side
    2,729.28x = 6,768,960.31
  5. Step 5: Solve for x
    x = 6,768,960.31/2,729.28
  6. Step 6: Final answer
    x = 2,480.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.