Home / 3,823.12-5,275.72-2,229.48

Finding the Fourth Proportional to 3,823.12, 5,275.72 and 2,229.48

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Solution

The fourth proportional to 3,823.12, 5,275.72 and 2,229.48 is: 3,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.12 : 5,275.72 = 2,229.48 : x
  2. Step 2: Convert to fraction form
    3,823.12/5,275.72 = 2,229.48/x
  3. Step 3: Cross multiply
    3,823.12x = 5,275.72 × 2,229.48
  4. Step 4: Simplify right side
    3,823.12x = 11,762,112.23
  5. Step 5: Solve for x
    x = 11,762,112.23/3,823.12
  6. Step 6: Final answer
    x = 3,076.57

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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.