Home / 4,664.20-6,979.02-2,613.64

Finding the Fourth Proportional to 4,664.20, 6,979.02 and 2,613.64

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Solution

The fourth proportional to 4,664.20, 6,979.02 and 2,613.64 is: 3,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.20 : 6,979.02 = 2,613.64 : x
  2. Step 2: Convert to fraction form
    4,664.20/6,979.02 = 2,613.64/x
  3. Step 3: Cross multiply
    4,664.20x = 6,979.02 × 2,613.64
  4. Step 4: Simplify right side
    4,664.20x = 18,240,645.83
  5. Step 5: Solve for x
    x = 18,240,645.83/4,664.20
  6. Step 6: Final answer
    x = 3,910.78

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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.