Home / 3,211.97-4,432.17-1,795.71

Finding the Fourth Proportional to 3,211.97, 4,432.17 and 1,795.71

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Solution

The fourth proportional to 3,211.97, 4,432.17 and 1,795.71 is: 2,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.97 : 4,432.17 = 1,795.71 : x
  2. Step 2: Convert to fraction form
    3,211.97/4,432.17 = 1,795.71/x
  3. Step 3: Cross multiply
    3,211.97x = 4,432.17 × 1,795.71
  4. Step 4: Simplify right side
    3,211.97x = 7,958,891.99
  5. Step 5: Solve for x
    x = 7,958,891.99/3,211.97
  6. Step 6: Final answer
    x = 2,477.89

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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.