Home / 5,280.27-7,286.67-2,922.44

Finding the Fourth Proportional to 5,280.27, 7,286.67 and 2,922.44

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Solution

The fourth proportional to 5,280.27, 7,286.67 and 2,922.44 is: 4,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.27 : 7,286.67 = 2,922.44 : x
  2. Step 2: Convert to fraction form
    5,280.27/7,286.67 = 2,922.44/x
  3. Step 3: Cross multiply
    5,280.27x = 7,286.67 × 2,922.44
  4. Step 4: Simplify right side
    5,280.27x = 21,294,819.44
  5. Step 5: Solve for x
    x = 21,294,819.44/5,280.27
  6. Step 6: Final answer
    x = 4,032.90

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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.