Home / 2,586.93-3,882.30-1,270.41

Finding the Fourth Proportional to 2,586.93, 3,882.30 and 1,270.41

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Solution

The fourth proportional to 2,586.93, 3,882.30 and 1,270.41 is: 1,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.93 : 3,882.30 = 1,270.41 : x
  2. Step 2: Convert to fraction form
    2,586.93/3,882.30 = 1,270.41/x
  3. Step 3: Cross multiply
    2,586.93x = 3,882.30 × 1,270.41
  4. Step 4: Simplify right side
    2,586.93x = 4,932,112.74
  5. Step 5: Solve for x
    x = 4,932,112.74/2,586.93
  6. Step 6: Final answer
    x = 1,906.55

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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.