Home / 5,531.52-8,286.20-2,749.63

Finding the Fourth Proportional to 5,531.52, 8,286.20 and 2,749.63

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Solution

The fourth proportional to 5,531.52, 8,286.20 and 2,749.63 is: 4,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.52 : 8,286.20 = 2,749.63 : x
  2. Step 2: Convert to fraction form
    5,531.52/8,286.20 = 2,749.63/x
  3. Step 3: Cross multiply
    5,531.52x = 8,286.20 × 2,749.63
  4. Step 4: Simplify right side
    5,531.52x = 22,783,975.49
  5. Step 5: Solve for x
    x = 22,783,975.49/5,531.52
  6. Step 6: Final answer
    x = 4,118.93

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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.