Home / 3,172.44-4,378.22-2,336.96

Finding the Fourth Proportional to 3,172.44, 4,378.22 and 2,336.96

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Solution

The fourth proportional to 3,172.44, 4,378.22 and 2,336.96 is: 3,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.44 : 4,378.22 = 2,336.96 : x
  2. Step 2: Convert to fraction form
    3,172.44/4,378.22 = 2,336.96/x
  3. Step 3: Cross multiply
    3,172.44x = 4,378.22 × 2,336.96
  4. Step 4: Simplify right side
    3,172.44x = 10,231,725.01
  5. Step 5: Solve for x
    x = 10,231,725.01/3,172.44
  6. Step 6: Final answer
    x = 3,225.19

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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.