Home / 6,049.20-9,069.30-3,129.60

Finding the Fourth Proportional to 6,049.20, 9,069.30 and 3,129.60

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Solution

The fourth proportional to 6,049.20, 9,069.30 and 3,129.60 is: 4,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,049.20 : 9,069.30 = 3,129.60 : x
  2. Step 2: Convert to fraction form
    6,049.20/9,069.30 = 3,129.60/x
  3. Step 3: Cross multiply
    6,049.20x = 9,069.30 × 3,129.60
  4. Step 4: Simplify right side
    6,049.20x = 28,383,281.28
  5. Step 5: Solve for x
    x = 28,383,281.28/6,049.20
  6. Step 6: Final answer
    x = 4,692.07

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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.