Home / 3,062.65-4,226.86-2,979.25

Finding the Fourth Proportional to 3,062.65, 4,226.86 and 2,979.25

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Solution

The fourth proportional to 3,062.65, 4,226.86 and 2,979.25 is: 4,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.65 : 4,226.86 = 2,979.25 : x
  2. Step 2: Convert to fraction form
    3,062.65/4,226.86 = 2,979.25/x
  3. Step 3: Cross multiply
    3,062.65x = 4,226.86 × 2,979.25
  4. Step 4: Simplify right side
    3,062.65x = 12,592,872.66
  5. Step 5: Solve for x
    x = 12,592,872.66/3,062.65
  6. Step 6: Final answer
    x = 4,111.76

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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.