Home / 4,766.90-7,151.81-2,136.60

Finding the Fourth Proportional to 4,766.90, 7,151.81 and 2,136.60

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Solution

The fourth proportional to 4,766.90, 7,151.81 and 2,136.60 is: 3,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.90 : 7,151.81 = 2,136.60 : x
  2. Step 2: Convert to fraction form
    4,766.90/7,151.81 = 2,136.60/x
  3. Step 3: Cross multiply
    4,766.90x = 7,151.81 × 2,136.60
  4. Step 4: Simplify right side
    4,766.90x = 15,280,546.56
  5. Step 5: Solve for x
    x = 15,280,546.56/4,766.90
  6. Step 6: Final answer
    x = 3,205.56

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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.