Home / 4,021.97-5,550.32-2,253.59

Finding the Fourth Proportional to 4,021.97, 5,550.32 and 2,253.59

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Solution

The fourth proportional to 4,021.97, 5,550.32 and 2,253.59 is: 3,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.97 : 5,550.32 = 2,253.59 : x
  2. Step 2: Convert to fraction form
    4,021.97/5,550.32 = 2,253.59/x
  3. Step 3: Cross multiply
    4,021.97x = 5,550.32 × 2,253.59
  4. Step 4: Simplify right side
    4,021.97x = 12,508,106.63
  5. Step 5: Solve for x
    x = 12,508,106.63/4,021.97
  6. Step 6: Final answer
    x = 3,109.95

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Half scale
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Double scale
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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.