Home / 5,811.66-8,023.40-3,827.98

Finding the Fourth Proportional to 5,811.66, 8,023.40 and 3,827.98

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Solution

The fourth proportional to 5,811.66, 8,023.40 and 3,827.98 is: 5,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.66 : 8,023.40 = 3,827.98 : x
  2. Step 2: Convert to fraction form
    5,811.66/8,023.40 = 3,827.98/x
  3. Step 3: Cross multiply
    5,811.66x = 8,023.40 × 3,827.98
  4. Step 4: Simplify right side
    5,811.66x = 30,713,414.73
  5. Step 5: Solve for x
    x = 30,713,414.73/5,811.66
  6. Step 6: Final answer
    x = 5,284.79

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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.