Home / 5,719.35-8,581.79-3,122.22

Finding the Fourth Proportional to 5,719.35, 8,581.79 and 3,122.22

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Solution

The fourth proportional to 5,719.35, 8,581.79 and 3,122.22 is: 4,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.35 : 8,581.79 = 3,122.22 : x
  2. Step 2: Convert to fraction form
    5,719.35/8,581.79 = 3,122.22/x
  3. Step 3: Cross multiply
    5,719.35x = 8,581.79 × 3,122.22
  4. Step 4: Simplify right side
    5,719.35x = 26,794,236.37
  5. Step 5: Solve for x
    x = 26,794,236.37/5,719.35
  6. Step 6: Final answer
    x = 4,684.84

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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.