Home / 5,101.87-7,040.61-2,863.77

Finding the Fourth Proportional to 5,101.87, 7,040.61 and 2,863.77

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Solution

The fourth proportional to 5,101.87, 7,040.61 and 2,863.77 is: 3,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.87 : 7,040.61 = 2,863.77 : x
  2. Step 2: Convert to fraction form
    5,101.87/7,040.61 = 2,863.77/x
  3. Step 3: Cross multiply
    5,101.87x = 7,040.61 × 2,863.77
  4. Step 4: Simplify right side
    5,101.87x = 20,162,714.10
  5. Step 5: Solve for x
    x = 20,162,714.10/5,101.87
  6. Step 6: Final answer
    x = 3,952.02

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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.