Home / 3,299.27-4,948.80-1,078.25

Finding the Fourth Proportional to 3,299.27, 4,948.80 and 1,078.25

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Solution

The fourth proportional to 3,299.27, 4,948.80 and 1,078.25 is: 1,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.27 : 4,948.80 = 1,078.25 : x
  2. Step 2: Convert to fraction form
    3,299.27/4,948.80 = 1,078.25/x
  3. Step 3: Cross multiply
    3,299.27x = 4,948.80 × 1,078.25
  4. Step 4: Simplify right side
    3,299.27x = 5,336,014.81
  5. Step 5: Solve for x
    x = 5,336,014.81/3,299.27
  6. Step 6: Final answer
    x = 1,617.33

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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.