Home / 3,256.39-4,886.34-2,161.27

Finding the Fourth Proportional to 3,256.39, 4,886.34 and 2,161.27

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Solution

The fourth proportional to 3,256.39, 4,886.34 and 2,161.27 is: 3,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.39 : 4,886.34 = 2,161.27 : x
  2. Step 2: Convert to fraction form
    3,256.39/4,886.34 = 2,161.27/x
  3. Step 3: Cross multiply
    3,256.39x = 4,886.34 × 2,161.27
  4. Step 4: Simplify right side
    3,256.39x = 10,560,700.05
  5. Step 5: Solve for x
    x = 10,560,700.05/3,256.39
  6. Step 6: Final answer
    x = 3,243.07

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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.