Home / 3,998.16-5,517.96-2,426.16

Finding the Fourth Proportional to 3,998.16, 5,517.96 and 2,426.16

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Solution

The fourth proportional to 3,998.16, 5,517.96 and 2,426.16 is: 3,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.16 : 5,517.96 = 2,426.16 : x
  2. Step 2: Convert to fraction form
    3,998.16/5,517.96 = 2,426.16/x
  3. Step 3: Cross multiply
    3,998.16x = 5,517.96 × 2,426.16
  4. Step 4: Simplify right side
    3,998.16x = 13,387,453.83
  5. Step 5: Solve for x
    x = 13,387,453.83/3,998.16
  6. Step 6: Final answer
    x = 3,348.40

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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.