Home / 5,161.10-7,742.03-2,530.82

Finding the Fourth Proportional to 5,161.10, 7,742.03 and 2,530.82

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Solution

The fourth proportional to 5,161.10, 7,742.03 and 2,530.82 is: 3,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.10 : 7,742.03 = 2,530.82 : x
  2. Step 2: Convert to fraction form
    5,161.10/7,742.03 = 2,530.82/x
  3. Step 3: Cross multiply
    5,161.10x = 7,742.03 × 2,530.82
  4. Step 4: Simplify right side
    5,161.10x = 19,593,691.07
  5. Step 5: Solve for x
    x = 19,593,691.07/5,161.10
  6. Step 6: Final answer
    x = 3,796.42

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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.