Home / 3,994.62-5,512.66-2,316.57

Finding the Fourth Proportional to 3,994.62, 5,512.66 and 2,316.57

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Solution

The fourth proportional to 3,994.62, 5,512.66 and 2,316.57 is: 3,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.62 : 5,512.66 = 2,316.57 : x
  2. Step 2: Convert to fraction form
    3,994.62/5,512.66 = 2,316.57/x
  3. Step 3: Cross multiply
    3,994.62x = 5,512.66 × 2,316.57
  4. Step 4: Simplify right side
    3,994.62x = 12,770,456.98
  5. Step 5: Solve for x
    x = 12,770,456.98/3,994.62
  6. Step 6: Final answer
    x = 3,196.91

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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.