Home / 2,224.13-3,069.27-1,229.43

Finding the Fourth Proportional to 2,224.13, 3,069.27 and 1,229.43

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Solution

The fourth proportional to 2,224.13, 3,069.27 and 1,229.43 is: 1,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.13 : 3,069.27 = 1,229.43 : x
  2. Step 2: Convert to fraction form
    2,224.13/3,069.27 = 1,229.43/x
  3. Step 3: Cross multiply
    2,224.13x = 3,069.27 × 1,229.43
  4. Step 4: Simplify right side
    2,224.13x = 3,773,452.62
  5. Step 5: Solve for x
    x = 3,773,452.62/2,224.13
  6. Step 6: Final answer
    x = 1,696.60

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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.