Home / 6,078.92-9,116.64-2,378.52

Finding the Fourth Proportional to 6,078.92, 9,116.64 and 2,378.52

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Solution

The fourth proportional to 6,078.92, 9,116.64 and 2,378.52 is: 3,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.92 : 9,116.64 = 2,378.52 : x
  2. Step 2: Convert to fraction form
    6,078.92/9,116.64 = 2,378.52/x
  3. Step 3: Cross multiply
    6,078.92x = 9,116.64 × 2,378.52
  4. Step 4: Simplify right side
    6,078.92x = 21,684,110.57
  5. Step 5: Solve for x
    x = 21,684,110.57/6,078.92
  6. Step 6: Final answer
    x = 3,567.10

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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.