Home / 5,151.36-7,722.44-2,517.38

Finding the Fourth Proportional to 5,151.36, 7,722.44 and 2,517.38

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Solution

The fourth proportional to 5,151.36, 7,722.44 and 2,517.38 is: 3,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.36 : 7,722.44 = 2,517.38 : x
  2. Step 2: Convert to fraction form
    5,151.36/7,722.44 = 2,517.38/x
  3. Step 3: Cross multiply
    5,151.36x = 7,722.44 × 2,517.38
  4. Step 4: Simplify right side
    5,151.36x = 19,440,303.21
  5. Step 5: Solve for x
    x = 19,440,303.21/5,151.36
  6. Step 6: Final answer
    x = 3,773.82

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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.