Home / 2,965.20-4,443.57-2,179.02

Finding the Fourth Proportional to 2,965.20, 4,443.57 and 2,179.02

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Solution

The fourth proportional to 2,965.20, 4,443.57 and 2,179.02 is: 3,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.20 : 4,443.57 = 2,179.02 : x
  2. Step 2: Convert to fraction form
    2,965.20/4,443.57 = 2,179.02/x
  3. Step 3: Cross multiply
    2,965.20x = 4,443.57 × 2,179.02
  4. Step 4: Simplify right side
    2,965.20x = 9,682,627.90
  5. Step 5: Solve for x
    x = 9,682,627.90/2,965.20
  6. Step 6: Final answer
    x = 3,265.42

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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.