Home / 3,824.11-5,278.37-2,253.12

Finding the Fourth Proportional to 3,824.11, 5,278.37 and 2,253.12

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Solution

The fourth proportional to 3,824.11, 5,278.37 and 2,253.12 is: 3,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.11 : 5,278.37 = 2,253.12 : x
  2. Step 2: Convert to fraction form
    3,824.11/5,278.37 = 2,253.12/x
  3. Step 3: Cross multiply
    3,824.11x = 5,278.37 × 2,253.12
  4. Step 4: Simplify right side
    3,824.11x = 11,892,801.01
  5. Step 5: Solve for x
    x = 11,892,801.01/3,824.11
  6. Step 6: Final answer
    x = 3,109.95

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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.