Home / 4,625.91-6,939.27-2,127.06

Finding the Fourth Proportional to 4,625.91, 6,939.27 and 2,127.06

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Solution

The fourth proportional to 4,625.91, 6,939.27 and 2,127.06 is: 3,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.91 : 6,939.27 = 2,127.06 : x
  2. Step 2: Convert to fraction form
    4,625.91/6,939.27 = 2,127.06/x
  3. Step 3: Cross multiply
    4,625.91x = 6,939.27 × 2,127.06
  4. Step 4: Simplify right side
    4,625.91x = 14,760,243.65
  5. Step 5: Solve for x
    x = 14,760,243.65/4,625.91
  6. Step 6: Final answer
    x = 3,190.78

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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.