Home / 3,302.12-4,949.94-2,131.94

Finding the Fourth Proportional to 3,302.12, 4,949.94 and 2,131.94

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Solution

The fourth proportional to 3,302.12, 4,949.94 and 2,131.94 is: 3,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.12 : 4,949.94 = 2,131.94 : x
  2. Step 2: Convert to fraction form
    3,302.12/4,949.94 = 2,131.94/x
  3. Step 3: Cross multiply
    3,302.12x = 4,949.94 × 2,131.94
  4. Step 4: Simplify right side
    3,302.12x = 10,552,975.08
  5. Step 5: Solve for x
    x = 10,552,975.08/3,302.12
  6. Step 6: Final answer
    x = 3,195.82

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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.