Home / 5,101.44-7,040.09-2,863.48

Finding the Fourth Proportional to 5,101.44, 7,040.09 and 2,863.48

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Solution

The fourth proportional to 5,101.44, 7,040.09 and 2,863.48 is: 3,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.44 : 7,040.09 = 2,863.48 : x
  2. Step 2: Convert to fraction form
    5,101.44/7,040.09 = 2,863.48/x
  3. Step 3: Cross multiply
    5,101.44x = 7,040.09 × 2,863.48
  4. Step 4: Simplify right side
    5,101.44x = 20,159,156.91
  5. Step 5: Solve for x
    x = 20,159,156.91/5,101.44
  6. Step 6: Final answer
    x = 3,951.66

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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.