Home / 4,021.97-5,550.30-2,253.58

Finding the Fourth Proportional to 4,021.97, 5,550.30 and 2,253.58

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Solution

The fourth proportional to 4,021.97, 5,550.30 and 2,253.58 is: 3,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.97 : 5,550.30 = 2,253.58 : x
  2. Step 2: Convert to fraction form
    4,021.97/5,550.30 = 2,253.58/x
  3. Step 3: Cross multiply
    4,021.97x = 5,550.30 × 2,253.58
  4. Step 4: Simplify right side
    4,021.97x = 12,508,031.20
  5. Step 5: Solve for x
    x = 12,508,031.20/4,021.97
  6. Step 6: Final answer
    x = 3,109.93

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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.