Home / 3,963.94-5,470.26-2,195.62

Finding the Fourth Proportional to 3,963.94, 5,470.26 and 2,195.62

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Solution

The fourth proportional to 3,963.94, 5,470.26 and 2,195.62 is: 3,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.94 : 5,470.26 = 2,195.62 : x
  2. Step 2: Convert to fraction form
    3,963.94/5,470.26 = 2,195.62/x
  3. Step 3: Cross multiply
    3,963.94x = 5,470.26 × 2,195.62
  4. Step 4: Simplify right side
    3,963.94x = 12,010,612.26
  5. Step 5: Solve for x
    x = 12,010,612.26/3,963.94
  6. Step 6: Final answer
    x = 3,029.97

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1.5x scale

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.