Home / 4,939.60-6,809.56-3,049.92

Finding the Fourth Proportional to 4,939.60, 6,809.56 and 3,049.92

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Solution

The fourth proportional to 4,939.60, 6,809.56 and 3,049.92 is: 4,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.60 : 6,809.56 = 3,049.92 : x
  2. Step 2: Convert to fraction form
    4,939.60/6,809.56 = 3,049.92/x
  3. Step 3: Cross multiply
    4,939.60x = 6,809.56 × 3,049.92
  4. Step 4: Simplify right side
    4,939.60x = 20,768,613.24
  5. Step 5: Solve for x
    x = 20,768,613.24/4,939.60
  6. Step 6: Final answer
    x = 4,204.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.