Home / 3,742.48-5,161.98-2,418.04

Finding the Fourth Proportional to 3,742.48, 5,161.98 and 2,418.04

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Solution

The fourth proportional to 3,742.48, 5,161.98 and 2,418.04 is: 3,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.48 : 5,161.98 = 2,418.04 : x
  2. Step 2: Convert to fraction form
    3,742.48/5,161.98 = 2,418.04/x
  3. Step 3: Cross multiply
    3,742.48x = 5,161.98 × 2,418.04
  4. Step 4: Simplify right side
    3,742.48x = 12,481,874.12
  5. Step 5: Solve for x
    x = 12,481,874.12/3,742.48
  6. Step 6: Final answer
    x = 3,335.19

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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.