Home / 5,628.22-7,766.94-3,144.22

Finding the Fourth Proportional to 5,628.22, 7,766.94 and 3,144.22

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Solution

The fourth proportional to 5,628.22, 7,766.94 and 3,144.22 is: 4,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.22 : 7,766.94 = 3,144.22 : x
  2. Step 2: Convert to fraction form
    5,628.22/7,766.94 = 3,144.22/x
  3. Step 3: Cross multiply
    5,628.22x = 7,766.94 × 3,144.22
  4. Step 4: Simplify right side
    5,628.22x = 24,420,968.09
  5. Step 5: Solve for x
    x = 24,420,968.09/5,628.22
  6. Step 6: Final answer
    x = 4,339.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.