Home / 5,571.72-8,355.12-2,933.28

Finding the Fourth Proportional to 5,571.72, 8,355.12 and 2,933.28

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Solution

The fourth proportional to 5,571.72, 8,355.12 and 2,933.28 is: 4,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.72 : 8,355.12 = 2,933.28 : x
  2. Step 2: Convert to fraction form
    5,571.72/8,355.12 = 2,933.28/x
  3. Step 3: Cross multiply
    5,571.72x = 8,355.12 × 2,933.28
  4. Step 4: Simplify right side
    5,571.72x = 24,507,906.39
  5. Step 5: Solve for x
    x = 24,507,906.39/5,571.72
  6. Step 6: Final answer
    x = 4,398.62

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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.