Home / 2,255.18-3,382.80-794.34

Finding the Fourth Proportional to 2,255.18, 3,382.80 and 794.34

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Solution

The fourth proportional to 2,255.18, 3,382.80 and 794.34 is: 1,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.18 : 3,382.80 = 794.34 : x
  2. Step 2: Convert to fraction form
    2,255.18/3,382.80 = 794.34/x
  3. Step 3: Cross multiply
    2,255.18x = 3,382.80 × 794.34
  4. Step 4: Simplify right side
    2,255.18x = 2,687,090.37
  5. Step 5: Solve for x
    x = 2,687,090.37/2,255.18
  6. Step 6: Final answer
    x = 1,191.52

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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.