Home / 5,213.48-7,817.80-3,022.84

Finding the Fourth Proportional to 5,213.48, 7,817.80 and 3,022.84

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Solution

The fourth proportional to 5,213.48, 7,817.80 and 3,022.84 is: 4,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.48 : 7,817.80 = 3,022.84 : x
  2. Step 2: Convert to fraction form
    5,213.48/7,817.80 = 3,022.84/x
  3. Step 3: Cross multiply
    5,213.48x = 7,817.80 × 3,022.84
  4. Step 4: Simplify right side
    5,213.48x = 23,631,958.55
  5. Step 5: Solve for x
    x = 23,631,958.55/5,213.48
  6. Step 6: Final answer
    x = 4,532.86

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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.