Home / 2,719.16-3,753.04-1,540.88

Finding the Fourth Proportional to 2,719.16, 3,753.04 and 1,540.88

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Solution

The fourth proportional to 2,719.16, 3,753.04 and 1,540.88 is: 2,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.16 : 3,753.04 = 1,540.88 : x
  2. Step 2: Convert to fraction form
    2,719.16/3,753.04 = 1,540.88/x
  3. Step 3: Cross multiply
    2,719.16x = 3,753.04 × 1,540.88
  4. Step 4: Simplify right side
    2,719.16x = 5,782,961.66
  5. Step 5: Solve for x
    x = 5,782,961.66/2,719.16
  6. Step 6: Final answer
    x = 2,126.75

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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.