Home / 3,108.49-4,654.42-2,616.42

Finding the Fourth Proportional to 3,108.49, 4,654.42 and 2,616.42

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Solution

The fourth proportional to 3,108.49, 4,654.42 and 2,616.42 is: 3,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.49 : 4,654.42 = 2,616.42 : x
  2. Step 2: Convert to fraction form
    3,108.49/4,654.42 = 2,616.42/x
  3. Step 3: Cross multiply
    3,108.49x = 4,654.42 × 2,616.42
  4. Step 4: Simplify right side
    3,108.49x = 12,177,917.58
  5. Step 5: Solve for x
    x = 12,177,917.58/3,108.49
  6. Step 6: Final answer
    x = 3,917.63

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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.