Home / 5,380.60-7,424.81-3,022.29

Finding the Fourth Proportional to 5,380.60, 7,424.81 and 3,022.29

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Solution

The fourth proportional to 5,380.60, 7,424.81 and 3,022.29 is: 4,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.60 : 7,424.81 = 3,022.29 : x
  2. Step 2: Convert to fraction form
    5,380.60/7,424.81 = 3,022.29/x
  3. Step 3: Cross multiply
    5,380.60x = 7,424.81 × 3,022.29
  4. Step 4: Simplify right side
    5,380.60x = 22,439,929.01
  5. Step 5: Solve for x
    x = 22,439,929.01/5,380.60
  6. Step 6: Final answer
    x = 4,170.53

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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.