Home / 2,738.11-4,104.33-1,276.06

Finding the Fourth Proportional to 2,738.11, 4,104.33 and 1,276.06

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Solution

The fourth proportional to 2,738.11, 4,104.33 and 1,276.06 is: 1,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.11 : 4,104.33 = 1,276.06 : x
  2. Step 2: Convert to fraction form
    2,738.11/4,104.33 = 1,276.06/x
  3. Step 3: Cross multiply
    2,738.11x = 4,104.33 × 1,276.06
  4. Step 4: Simplify right side
    2,738.11x = 5,237,371.34
  5. Step 5: Solve for x
    x = 5,237,371.34/2,738.11
  6. Step 6: Final answer
    x = 1,912.77

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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.