Home / 3,481.19-4,804.05-1,909.29

Finding the Fourth Proportional to 3,481.19, 4,804.05 and 1,909.29

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Solution

The fourth proportional to 3,481.19, 4,804.05 and 1,909.29 is: 2,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.19 : 4,804.05 = 1,909.29 : x
  2. Step 2: Convert to fraction form
    3,481.19/4,804.05 = 1,909.29/x
  3. Step 3: Cross multiply
    3,481.19x = 4,804.05 × 1,909.29
  4. Step 4: Simplify right side
    3,481.19x = 9,172,324.62
  5. Step 5: Solve for x
    x = 9,172,324.62/3,481.19
  6. Step 6: Final answer
    x = 2,634.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.