Home / 3,197.70-4,411.96-1,871.73

Finding the Fourth Proportional to 3,197.70, 4,411.96 and 1,871.73

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Solution

The fourth proportional to 3,197.70, 4,411.96 and 1,871.73 is: 2,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.70 : 4,411.96 = 1,871.73 : x
  2. Step 2: Convert to fraction form
    3,197.70/4,411.96 = 1,871.73/x
  3. Step 3: Cross multiply
    3,197.70x = 4,411.96 × 1,871.73
  4. Step 4: Simplify right side
    3,197.70x = 8,257,997.89
  5. Step 5: Solve for x
    x = 8,257,997.89/3,197.70
  6. Step 6: Final answer
    x = 2,582.48

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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.