Home / 5,227.16-7,838.22-2,764.76

Finding the Fourth Proportional to 5,227.16, 7,838.22 and 2,764.76

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Solution

The fourth proportional to 5,227.16, 7,838.22 and 2,764.76 is: 4,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.16 : 7,838.22 = 2,764.76 : x
  2. Step 2: Convert to fraction form
    5,227.16/7,838.22 = 2,764.76/x
  3. Step 3: Cross multiply
    5,227.16x = 7,838.22 × 2,764.76
  4. Step 4: Simplify right side
    5,227.16x = 21,670,797.13
  5. Step 5: Solve for x
    x = 21,670,797.13/5,227.16
  6. Step 6: Final answer
    x = 4,145.81

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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.