Home / 5,274.25-7,911.52-2,311.17

Finding the Fourth Proportional to 5,274.25, 7,911.52 and 2,311.17

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Solution

The fourth proportional to 5,274.25, 7,911.52 and 2,311.17 is: 3,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.25 : 7,911.52 = 2,311.17 : x
  2. Step 2: Convert to fraction form
    5,274.25/7,911.52 = 2,311.17/x
  3. Step 3: Cross multiply
    5,274.25x = 7,911.52 × 2,311.17
  4. Step 4: Simplify right side
    5,274.25x = 18,284,867.68
  5. Step 5: Solve for x
    x = 18,284,867.68/5,274.25
  6. Step 6: Final answer
    x = 3,466.82

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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.