Home / 5,255.49-7,886.25-2,134.92

Finding the Fourth Proportional to 5,255.49, 7,886.25 and 2,134.92

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Solution

The fourth proportional to 5,255.49, 7,886.25 and 2,134.92 is: 3,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.49 : 7,886.25 = 2,134.92 : x
  2. Step 2: Convert to fraction form
    5,255.49/7,886.25 = 2,134.92/x
  3. Step 3: Cross multiply
    5,255.49x = 7,886.25 × 2,134.92
  4. Step 4: Simplify right side
    5,255.49x = 16,836,512.85
  5. Step 5: Solve for x
    x = 16,836,512.85/5,255.49
  6. Step 6: Final answer
    x = 3,203.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.