Home / 2,736.28-4,104.38-1,274.60

Finding the Fourth Proportional to 2,736.28, 4,104.38 and 1,274.60

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Solution

The fourth proportional to 2,736.28, 4,104.38 and 1,274.60 is: 1,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.28 : 4,104.38 = 1,274.60 : x
  2. Step 2: Convert to fraction form
    2,736.28/4,104.38 = 1,274.60/x
  3. Step 3: Cross multiply
    2,736.28x = 4,104.38 × 1,274.60
  4. Step 4: Simplify right side
    2,736.28x = 5,231,442.75
  5. Step 5: Solve for x
    x = 5,231,442.75/2,736.28
  6. Step 6: Final answer
    x = 1,911.88

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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.