Home / 2,680.41-4,020.62-732.67

Finding the Fourth Proportional to 2,680.41, 4,020.62 and 732.67

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Solution

The fourth proportional to 2,680.41, 4,020.62 and 732.67 is: 1,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.41 : 4,020.62 = 732.67 : x
  2. Step 2: Convert to fraction form
    2,680.41/4,020.62 = 732.67/x
  3. Step 3: Cross multiply
    2,680.41x = 4,020.62 × 732.67
  4. Step 4: Simplify right side
    2,680.41x = 2,945,787.66
  5. Step 5: Solve for x
    x = 2,945,787.66/2,680.41
  6. Step 6: Final answer
    x = 1,099.01

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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.