Home / 5,811.81-8,712.79-2,522.43

Finding the Fourth Proportional to 5,811.81, 8,712.79 and 2,522.43

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Solution

The fourth proportional to 5,811.81, 8,712.79 and 2,522.43 is: 3,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.81 : 8,712.79 = 2,522.43 : x
  2. Step 2: Convert to fraction form
    5,811.81/8,712.79 = 2,522.43/x
  3. Step 3: Cross multiply
    5,811.81x = 8,712.79 × 2,522.43
  4. Step 4: Simplify right side
    5,811.81x = 21,977,402.88
  5. Step 5: Solve for x
    x = 21,977,402.88/5,811.81
  6. Step 6: Final answer
    x = 3,781.51

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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.