Home / 7,161.56-10,740.26-2,481.38

Finding the Fourth Proportional to 7,161.56, 10,740.26 and 2,481.38

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Solution

The fourth proportional to 7,161.56, 10,740.26 and 2,481.38 is: 3,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.56 : 10,740.26 = 2,481.38 : x
  2. Step 2: Convert to fraction form
    7,161.56/10,740.26 = 2,481.38/x
  3. Step 3: Cross multiply
    7,161.56x = 10,740.26 × 2,481.38
  4. Step 4: Simplify right side
    7,161.56x = 26,650,653.95
  5. Step 5: Solve for x
    x = 26,650,653.95/7,161.56
  6. Step 6: Final answer
    x = 3,721.35

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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.