Home / 2,481.17-3,423.11-1,418.13

Finding the Fourth Proportional to 2,481.17, 3,423.11 and 1,418.13

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Solution

The fourth proportional to 2,481.17, 3,423.11 and 1,418.13 is: 1,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.17 : 3,423.11 = 1,418.13 : x
  2. Step 2: Convert to fraction form
    2,481.17/3,423.11 = 1,418.13/x
  3. Step 3: Cross multiply
    2,481.17x = 3,423.11 × 1,418.13
  4. Step 4: Simplify right side
    2,481.17x = 4,854,407.89
  5. Step 5: Solve for x
    x = 4,854,407.89/2,481.17
  6. Step 6: Final answer
    x = 1,956.50

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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.