Home / 3,823.12-5,275.50-2,229.34

Finding the Fourth Proportional to 3,823.12, 5,275.50 and 2,229.34

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Solution

The fourth proportional to 3,823.12, 5,275.50 and 2,229.34 is: 3,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.12 : 5,275.50 = 2,229.34 : x
  2. Step 2: Convert to fraction form
    3,823.12/5,275.50 = 2,229.34/x
  3. Step 3: Cross multiply
    3,823.12x = 5,275.50 × 2,229.34
  4. Step 4: Simplify right side
    3,823.12x = 11,760,869.98
  5. Step 5: Solve for x
    x = 11,760,869.98/3,823.12
  6. Step 6: Final answer
    x = 3,076.25

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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.