Home / 5,222.26-7,835.82-2,622.16

Finding the Fourth Proportional to 5,222.26, 7,835.82 and 2,622.16

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Solution

The fourth proportional to 5,222.26, 7,835.82 and 2,622.16 is: 3,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.26 : 7,835.82 = 2,622.16 : x
  2. Step 2: Convert to fraction form
    5,222.26/7,835.82 = 2,622.16/x
  3. Step 3: Cross multiply
    5,222.26x = 7,835.82 × 2,622.16
  4. Step 4: Simplify right side
    5,222.26x = 20,546,773.77
  5. Step 5: Solve for x
    x = 20,546,773.77/5,222.26
  6. Step 6: Final answer
    x = 3,934.46

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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.