Home / 4,161.35-5,768.96-3,939.41

Finding the Fourth Proportional to 4,161.35, 5,768.96 and 3,939.41

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Solution

The fourth proportional to 4,161.35, 5,768.96 and 3,939.41 is: 5,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.35 : 5,768.96 = 3,939.41 : x
  2. Step 2: Convert to fraction form
    4,161.35/5,768.96 = 3,939.41/x
  3. Step 3: Cross multiply
    4,161.35x = 5,768.96 × 3,939.41
  4. Step 4: Simplify right side
    4,161.35x = 22,726,298.71
  5. Step 5: Solve for x
    x = 22,726,298.71/4,161.35
  6. Step 6: Final answer
    x = 5,461.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.