Home / 7,290.69-10,936.17-2,360.49

Finding the Fourth Proportional to 7,290.69, 10,936.17 and 2,360.49

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Solution

The fourth proportional to 7,290.69, 10,936.17 and 2,360.49 is: 3,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.69 : 10,936.17 = 2,360.49 : x
  2. Step 2: Convert to fraction form
    7,290.69/10,936.17 = 2,360.49/x
  3. Step 3: Cross multiply
    7,290.69x = 10,936.17 × 2,360.49
  4. Step 4: Simplify right side
    7,290.69x = 25,814,719.92
  5. Step 5: Solve for x
    x = 25,814,719.92/7,290.69
  6. Step 6: Final answer
    x = 3,540.78

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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.