Home / 7,221.86-10,833.17-2,028.14

Finding the Fourth Proportional to 7,221.86, 10,833.17 and 2,028.14

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Solution

The fourth proportional to 7,221.86, 10,833.17 and 2,028.14 is: 3,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.86 : 10,833.17 = 2,028.14 : x
  2. Step 2: Convert to fraction form
    7,221.86/10,833.17 = 2,028.14/x
  3. Step 3: Cross multiply
    7,221.86x = 10,833.17 × 2,028.14
  4. Step 4: Simplify right side
    7,221.86x = 21,971,121.10
  5. Step 5: Solve for x
    x = 21,971,121.10/7,221.86
  6. Step 6: Final answer
    x = 3,042.31

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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.