Home / 3,815.96-5,724.89-2,060.21

Finding the Fourth Proportional to 3,815.96, 5,724.89 and 2,060.21

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Solution

The fourth proportional to 3,815.96, 5,724.89 and 2,060.21 is: 3,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.96 : 5,724.89 = 2,060.21 : x
  2. Step 2: Convert to fraction form
    3,815.96/5,724.89 = 2,060.21/x
  3. Step 3: Cross multiply
    3,815.96x = 5,724.89 × 2,060.21
  4. Step 4: Simplify right side
    3,815.96x = 11,794,475.63
  5. Step 5: Solve for x
    x = 11,794,475.63/3,815.96
  6. Step 6: Final answer
    x = 3,090.83

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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.