Home / 3,481.11-4,804.02-1,909.23

Finding the Fourth Proportional to 3,481.11, 4,804.02 and 1,909.23

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Solution

The fourth proportional to 3,481.11, 4,804.02 and 1,909.23 is: 2,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.11 : 4,804.02 = 1,909.23 : x
  2. Step 2: Convert to fraction form
    3,481.11/4,804.02 = 1,909.23/x
  3. Step 3: Cross multiply
    3,481.11x = 4,804.02 × 1,909.23
  4. Step 4: Simplify right side
    3,481.11x = 9,171,979.10
  5. Step 5: Solve for x
    x = 9,171,979.10/3,481.11
  6. Step 6: Final answer
    x = 2,634.79

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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.