Home / 3,197.54-4,412.61-1,872.05

Finding the Fourth Proportional to 3,197.54, 4,412.61 and 1,872.05

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Solution

The fourth proportional to 3,197.54, 4,412.61 and 1,872.05 is: 2,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.54 : 4,412.61 = 1,872.05 : x
  2. Step 2: Convert to fraction form
    3,197.54/4,412.61 = 1,872.05/x
  3. Step 3: Cross multiply
    3,197.54x = 4,412.61 × 1,872.05
  4. Step 4: Simplify right side
    3,197.54x = 8,260,604.49
  5. Step 5: Solve for x
    x = 8,260,604.49/3,197.54
  6. Step 6: Final answer
    x = 2,583.42

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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.