Home / 5,101.94-7,040.52-2,863.76

Finding the Fourth Proportional to 5,101.94, 7,040.52 and 2,863.76

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Solution

The fourth proportional to 5,101.94, 7,040.52 and 2,863.76 is: 3,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.94 : 7,040.52 = 2,863.76 : x
  2. Step 2: Convert to fraction form
    5,101.94/7,040.52 = 2,863.76/x
  3. Step 3: Cross multiply
    5,101.94x = 7,040.52 × 2,863.76
  4. Step 4: Simplify right side
    5,101.94x = 20,162,359.56
  5. Step 5: Solve for x
    x = 20,162,359.56/5,101.94
  6. Step 6: Final answer
    x = 3,951.90

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1.5x scale

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.