Home / 5,811.90-8,020.44-3,159.24

Finding the Fourth Proportional to 5,811.90, 8,020.44 and 3,159.24

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Solution

The fourth proportional to 5,811.90, 8,020.44 and 3,159.24 is: 4,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.90 : 8,020.44 = 3,159.24 : x
  2. Step 2: Convert to fraction form
    5,811.90/8,020.44 = 3,159.24/x
  3. Step 3: Cross multiply
    5,811.90x = 8,020.44 × 3,159.24
  4. Step 4: Simplify right side
    5,811.90x = 25,338,494.87
  5. Step 5: Solve for x
    x = 25,338,494.87/5,811.90
  6. Step 6: Final answer
    x = 4,359.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.