Home / 5,355.24-8,021.22-4,420.32

Finding the Fourth Proportional to 5,355.24, 8,021.22 and 4,420.32

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Solution

The fourth proportional to 5,355.24, 8,021.22 and 4,420.32 is: 6,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.24 : 8,021.22 = 4,420.32 : x
  2. Step 2: Convert to fraction form
    5,355.24/8,021.22 = 4,420.32/x
  3. Step 3: Cross multiply
    5,355.24x = 8,021.22 × 4,420.32
  4. Step 4: Simplify right side
    5,355.24x = 35,456,359.19
  5. Step 5: Solve for x
    x = 35,456,359.19/5,355.24
  6. Step 6: Final answer
    x = 6,620.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.