Home / 3,876.13-5,351.53-2,552.12

Finding the Fourth Proportional to 3,876.13, 5,351.53 and 2,552.12

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Solution

The fourth proportional to 3,876.13, 5,351.53 and 2,552.12 is: 3,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.13 : 5,351.53 = 2,552.12 : x
  2. Step 2: Convert to fraction form
    3,876.13/5,351.53 = 2,552.12/x
  3. Step 3: Cross multiply
    3,876.13x = 5,351.53 × 2,552.12
  4. Step 4: Simplify right side
    3,876.13x = 13,657,713.61
  5. Step 5: Solve for x
    x = 13,657,713.61/3,876.13
  6. Step 6: Final answer
    x = 3,523.55

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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.