Home / 2,512.52-3,467.09-1,393.49

Finding the Fourth Proportional to 2,512.52, 3,467.09 and 1,393.49

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Solution

The fourth proportional to 2,512.52, 3,467.09 and 1,393.49 is: 1,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.52 : 3,467.09 = 1,393.49 : x
  2. Step 2: Convert to fraction form
    2,512.52/3,467.09 = 1,393.49/x
  3. Step 3: Cross multiply
    2,512.52x = 3,467.09 × 1,393.49
  4. Step 4: Simplify right side
    2,512.52x = 4,831,340.05
  5. Step 5: Solve for x
    x = 4,831,340.05/2,512.52
  6. Step 6: Final answer
    x = 1,922.91

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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.