Home / 5,112.24-7,669.19-1,824.45

Finding the Fourth Proportional to 5,112.24, 7,669.19 and 1,824.45

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Solution

The fourth proportional to 5,112.24, 7,669.19 and 1,824.45 is: 2,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.24 : 7,669.19 = 1,824.45 : x
  2. Step 2: Convert to fraction form
    5,112.24/7,669.19 = 1,824.45/x
  3. Step 3: Cross multiply
    5,112.24x = 7,669.19 × 1,824.45
  4. Step 4: Simplify right side
    5,112.24x = 13,992,053.70
  5. Step 5: Solve for x
    x = 13,992,053.70/5,112.24
  6. Step 6: Final answer
    x = 2,736.97

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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.