Home / 5,719.29-8,580.78-1,823.73

Finding the Fourth Proportional to 5,719.29, 8,580.78 and 1,823.73

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Solution

The fourth proportional to 5,719.29, 8,580.78 and 1,823.73 is: 2,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.29 : 8,580.78 = 1,823.73 : x
  2. Step 2: Convert to fraction form
    5,719.29/8,580.78 = 1,823.73/x
  3. Step 3: Cross multiply
    5,719.29x = 8,580.78 × 1,823.73
  4. Step 4: Simplify right side
    5,719.29x = 15,649,025.91
  5. Step 5: Solve for x
    x = 15,649,025.91/5,719.29
  6. Step 6: Final answer
    x = 2,736.18

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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.