Home / 3,956.18-5,460.82-2,777.54

Finding the Fourth Proportional to 3,956.18, 5,460.82 and 2,777.54

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Solution

The fourth proportional to 3,956.18, 5,460.82 and 2,777.54 is: 3,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.18 : 5,460.82 = 2,777.54 : x
  2. Step 2: Convert to fraction form
    3,956.18/5,460.82 = 2,777.54/x
  3. Step 3: Cross multiply
    3,956.18x = 5,460.82 × 2,777.54
  4. Step 4: Simplify right side
    3,956.18x = 15,167,611.73
  5. Step 5: Solve for x
    x = 15,167,611.73/3,956.18
  6. Step 6: Final answer
    x = 3,833.91

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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.