Home / 3,963.36-5,469.30-2,195.04

Finding the Fourth Proportional to 3,963.36, 5,469.30 and 2,195.04

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Solution

The fourth proportional to 3,963.36, 5,469.30 and 2,195.04 is: 3,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.36 : 5,469.30 = 2,195.04 : x
  2. Step 2: Convert to fraction form
    3,963.36/5,469.30 = 2,195.04/x
  3. Step 3: Cross multiply
    3,963.36x = 5,469.30 × 2,195.04
  4. Step 4: Simplify right side
    3,963.36x = 12,005,332.27
  5. Step 5: Solve for x
    x = 12,005,332.27/3,963.36
  6. Step 6: Final answer
    x = 3,029.08

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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.