Home / 5,812.23-8,021.66-3,722.43

Finding the Fourth Proportional to 5,812.23, 8,021.66 and 3,722.43

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Solution

The fourth proportional to 5,812.23, 8,021.66 and 3,722.43 is: 5,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.23 : 8,021.66 = 3,722.43 : x
  2. Step 2: Convert to fraction form
    5,812.23/8,021.66 = 3,722.43/x
  3. Step 3: Cross multiply
    5,812.23x = 8,021.66 × 3,722.43
  4. Step 4: Simplify right side
    5,812.23x = 29,860,049.22
  5. Step 5: Solve for x
    x = 29,860,049.22/5,812.23
  6. Step 6: Final answer
    x = 5,137.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.