Home / 3,998.12-5,991.60-2,046.20

Finding the Fourth Proportional to 3,998.12, 5,991.60 and 2,046.20

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Solution

The fourth proportional to 3,998.12, 5,991.60 and 2,046.20 is: 3,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.12 : 5,991.60 = 2,046.20 : x
  2. Step 2: Convert to fraction form
    3,998.12/5,991.60 = 2,046.20/x
  3. Step 3: Cross multiply
    3,998.12x = 5,991.60 × 2,046.20
  4. Step 4: Simplify right side
    3,998.12x = 12,260,011.92
  5. Step 5: Solve for x
    x = 12,260,011.92/3,998.12
  6. Step 6: Final answer
    x = 3,066.44

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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.