Home / 3,195.23-4,786.70-1,959.03

Finding the Fourth Proportional to 3,195.23, 4,786.70 and 1,959.03

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Solution

The fourth proportional to 3,195.23, 4,786.70 and 1,959.03 is: 2,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.23 : 4,786.70 = 1,959.03 : x
  2. Step 2: Convert to fraction form
    3,195.23/4,786.70 = 1,959.03/x
  3. Step 3: Cross multiply
    3,195.23x = 4,786.70 × 1,959.03
  4. Step 4: Simplify right side
    3,195.23x = 9,377,279.11
  5. Step 5: Solve for x
    x = 9,377,279.11/3,195.23
  6. Step 6: Final answer
    x = 2,934.78

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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.