Home / 5,136.22-7,705.49-1,626.44

Finding the Fourth Proportional to 5,136.22, 7,705.49 and 1,626.44

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Solution

The fourth proportional to 5,136.22, 7,705.49 and 1,626.44 is: 2,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.22 : 7,705.49 = 1,626.44 : x
  2. Step 2: Convert to fraction form
    5,136.22/7,705.49 = 1,626.44/x
  3. Step 3: Cross multiply
    5,136.22x = 7,705.49 × 1,626.44
  4. Step 4: Simplify right side
    5,136.22x = 12,532,517.16
  5. Step 5: Solve for x
    x = 12,532,517.16/5,136.22
  6. Step 6: Final answer
    x = 2,440.03

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1.5x scale

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.