Home / 3,269.59-4,905.14-1,078.33

Finding the Fourth Proportional to 3,269.59, 4,905.14 and 1,078.33

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Solution

The fourth proportional to 3,269.59, 4,905.14 and 1,078.33 is: 1,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.59 : 4,905.14 = 1,078.33 : x
  2. Step 2: Convert to fraction form
    3,269.59/4,905.14 = 1,078.33/x
  3. Step 3: Cross multiply
    3,269.59x = 4,905.14 × 1,078.33
  4. Step 4: Simplify right side
    3,269.59x = 5,289,359.62
  5. Step 5: Solve for x
    x = 5,289,359.62/3,269.59
  6. Step 6: Final answer
    x = 1,617.74

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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.