Home / 4,015.90-5,542.20-2,247.66

Finding the Fourth Proportional to 4,015.90, 5,542.20 and 2,247.66

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Solution

The fourth proportional to 4,015.90, 5,542.20 and 2,247.66 is: 3,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.90 : 5,542.20 = 2,247.66 : x
  2. Step 2: Convert to fraction form
    4,015.90/5,542.20 = 2,247.66/x
  3. Step 3: Cross multiply
    4,015.90x = 5,542.20 × 2,247.66
  4. Step 4: Simplify right side
    4,015.90x = 12,456,981.25
  5. Step 5: Solve for x
    x = 12,456,981.25/4,015.90
  6. Step 6: Final answer
    x = 3,101.92

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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.