Home / 6,700.20-10,052.70-2,805.80

Finding the Fourth Proportional to 6,700.20, 10,052.70 and 2,805.80

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Solution

The fourth proportional to 6,700.20, 10,052.70 and 2,805.80 is: 4,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.20 : 10,052.70 = 2,805.80 : x
  2. Step 2: Convert to fraction form
    6,700.20/10,052.70 = 2,805.80/x
  3. Step 3: Cross multiply
    6,700.20x = 10,052.70 × 2,805.80
  4. Step 4: Simplify right side
    6,700.20x = 28,205,865.66
  5. Step 5: Solve for x
    x = 28,205,865.66/6,700.20
  6. Step 6: Final answer
    x = 4,209.71

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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.