Home / 3,843.86-5,758.20-1,996.18

Finding the Fourth Proportional to 3,843.86, 5,758.20 and 1,996.18

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Solution

The fourth proportional to 3,843.86, 5,758.20 and 1,996.18 is: 2,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.86 : 5,758.20 = 1,996.18 : x
  2. Step 2: Convert to fraction form
    3,843.86/5,758.20 = 1,996.18/x
  3. Step 3: Cross multiply
    3,843.86x = 5,758.20 × 1,996.18
  4. Step 4: Simplify right side
    3,843.86x = 11,494,403.68
  5. Step 5: Solve for x
    x = 11,494,403.68/3,843.86
  6. Step 6: Final answer
    x = 2,990.33

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1.5x scale

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.