Home / 3,949.25-5,433.62-2,999.52

Finding the Fourth Proportional to 3,949.25, 5,433.62 and 2,999.52

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Solution

The fourth proportional to 3,949.25, 5,433.62 and 2,999.52 is: 4,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.25 : 5,433.62 = 2,999.52 : x
  2. Step 2: Convert to fraction form
    3,949.25/5,433.62 = 2,999.52/x
  3. Step 3: Cross multiply
    3,949.25x = 5,433.62 × 2,999.52
  4. Step 4: Simplify right side
    3,949.25x = 16,298,236.86
  5. Step 5: Solve for x
    x = 16,298,236.86/3,949.25
  6. Step 6: Final answer
    x = 4,126.92

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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.