Home / 5,815.31-8,027.19-3,457.44

Finding the Fourth Proportional to 5,815.31, 8,027.19 and 3,457.44

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Solution

The fourth proportional to 5,815.31, 8,027.19 and 3,457.44 is: 4,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.31 : 8,027.19 = 3,457.44 : x
  2. Step 2: Convert to fraction form
    5,815.31/8,027.19 = 3,457.44/x
  3. Step 3: Cross multiply
    5,815.31x = 8,027.19 × 3,457.44
  4. Step 4: Simplify right side
    5,815.31x = 27,753,527.79
  5. Step 5: Solve for x
    x = 27,753,527.79/5,815.31
  6. Step 6: Final answer
    x = 4,772.49

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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.