Home / 3,043.26-4,198.50-1,863.90

Finding the Fourth Proportional to 3,043.26, 4,198.50 and 1,863.90

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Solution

The fourth proportional to 3,043.26, 4,198.50 and 1,863.90 is: 2,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.26 : 4,198.50 = 1,863.90 : x
  2. Step 2: Convert to fraction form
    3,043.26/4,198.50 = 1,863.90/x
  3. Step 3: Cross multiply
    3,043.26x = 4,198.50 × 1,863.90
  4. Step 4: Simplify right side
    3,043.26x = 7,825,584.15
  5. Step 5: Solve for x
    x = 7,825,584.15/3,043.26
  6. Step 6: Final answer
    x = 2,571.45

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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.