Home / 2,974.58-4,104.76-1,630.17

Finding the Fourth Proportional to 2,974.58, 4,104.76 and 1,630.17

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Solution

The fourth proportional to 2,974.58, 4,104.76 and 1,630.17 is: 2,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.58 : 4,104.76 = 1,630.17 : x
  2. Step 2: Convert to fraction form
    2,974.58/4,104.76 = 1,630.17/x
  3. Step 3: Cross multiply
    2,974.58x = 4,104.76 × 1,630.17
  4. Step 4: Simplify right side
    2,974.58x = 6,691,456.61
  5. Step 5: Solve for x
    x = 6,691,456.61/2,974.58
  6. Step 6: Final answer
    x = 2,249.55

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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.