Home / 2,255.68-3,113.76-1,469.44

Finding the Fourth Proportional to 2,255.68, 3,113.76 and 1,469.44

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Solution

The fourth proportional to 2,255.68, 3,113.76 and 1,469.44 is: 2,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.68 : 3,113.76 = 1,469.44 : x
  2. Step 2: Convert to fraction form
    2,255.68/3,113.76 = 1,469.44/x
  3. Step 3: Cross multiply
    2,255.68x = 3,113.76 × 1,469.44
  4. Step 4: Simplify right side
    2,255.68x = 4,575,483.49
  5. Step 5: Solve for x
    x = 4,575,483.49/2,255.68
  6. Step 6: Final answer
    x = 2,028.43

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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.