Home / 3,950.38-5,449.60-2,622.38

Finding the Fourth Proportional to 3,950.38, 5,449.60 and 2,622.38

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Solution

The fourth proportional to 3,950.38, 5,449.60 and 2,622.38 is: 3,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.38 : 5,449.60 = 2,622.38 : x
  2. Step 2: Convert to fraction form
    3,950.38/5,449.60 = 2,622.38/x
  3. Step 3: Cross multiply
    3,950.38x = 5,449.60 × 2,622.38
  4. Step 4: Simplify right side
    3,950.38x = 14,290,929.12
  5. Step 5: Solve for x
    x = 14,290,929.12/3,950.38
  6. Step 6: Final answer
    x = 3,617.61

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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.