Home / 3,963.37-5,469.69-2,194.99

Finding the Fourth Proportional to 3,963.37, 5,469.69 and 2,194.99

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Solution

The fourth proportional to 3,963.37, 5,469.69 and 2,194.99 is: 3,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.37 : 5,469.69 = 2,194.99 : x
  2. Step 2: Convert to fraction form
    3,963.37/5,469.69 = 2,194.99/x
  3. Step 3: Cross multiply
    3,963.37x = 5,469.69 × 2,194.99
  4. Step 4: Simplify right side
    3,963.37x = 12,005,914.85
  5. Step 5: Solve for x
    x = 12,005,914.85/3,963.37
  6. Step 6: Final answer
    x = 3,029.22

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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.