Home / 6,078.94-9,118.92-2,380.90

Finding the Fourth Proportional to 6,078.94, 9,118.92 and 2,380.90

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Solution

The fourth proportional to 6,078.94, 9,118.92 and 2,380.90 is: 3,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.94 : 9,118.92 = 2,380.90 : x
  2. Step 2: Convert to fraction form
    6,078.94/9,118.92 = 2,380.90/x
  3. Step 3: Cross multiply
    6,078.94x = 9,118.92 × 2,380.90
  4. Step 4: Simplify right side
    6,078.94x = 21,711,236.63
  5. Step 5: Solve for x
    x = 21,711,236.63/6,078.94
  6. Step 6: Final answer
    x = 3,571.55

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1.5x scale

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.