Home / 7,199.05-10,791.37-2,515.43

Finding the Fourth Proportional to 7,199.05, 10,791.37 and 2,515.43

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Solution

The fourth proportional to 7,199.05, 10,791.37 and 2,515.43 is: 3,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.05 : 10,791.37 = 2,515.43 : x
  2. Step 2: Convert to fraction form
    7,199.05/10,791.37 = 2,515.43/x
  3. Step 3: Cross multiply
    7,199.05x = 10,791.37 × 2,515.43
  4. Step 4: Simplify right side
    7,199.05x = 27,144,935.84
  5. Step 5: Solve for x
    x = 27,144,935.84/7,199.05
  6. Step 6: Final answer
    x = 3,770.63

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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.