Home / 3,963.65-5,470.01-2,195.25

Finding the Fourth Proportional to 3,963.65, 5,470.01 and 2,195.25

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Solution

The fourth proportional to 3,963.65, 5,470.01 and 2,195.25 is: 3,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.65 : 5,470.01 = 2,195.25 : x
  2. Step 2: Convert to fraction form
    3,963.65/5,470.01 = 2,195.25/x
  3. Step 3: Cross multiply
    3,963.65x = 5,470.01 × 2,195.25
  4. Step 4: Simplify right side
    3,963.65x = 12,008,028.48
  5. Step 5: Solve for x
    x = 12,008,028.48/3,963.65
  6. Step 6: Final answer
    x = 3,029.54

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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.