Home / 2,979.19-4,467.87-2,060.65

Finding the Fourth Proportional to 2,979.19, 4,467.87 and 2,060.65

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Solution

The fourth proportional to 2,979.19, 4,467.87 and 2,060.65 is: 3,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.19 : 4,467.87 = 2,060.65 : x
  2. Step 2: Convert to fraction form
    2,979.19/4,467.87 = 2,060.65/x
  3. Step 3: Cross multiply
    2,979.19x = 4,467.87 × 2,060.65
  4. Step 4: Simplify right side
    2,979.19x = 9,206,716.32
  5. Step 5: Solve for x
    x = 9,206,716.32/2,979.19
  6. Step 6: Final answer
    x = 3,090.34

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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.