Home / 3,166.05-4,741.38-2,189.19

Finding the Fourth Proportional to 3,166.05, 4,741.38 and 2,189.19

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Solution

The fourth proportional to 3,166.05, 4,741.38 and 2,189.19 is: 3,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.05 : 4,741.38 = 2,189.19 : x
  2. Step 2: Convert to fraction form
    3,166.05/4,741.38 = 2,189.19/x
  3. Step 3: Cross multiply
    3,166.05x = 4,741.38 × 2,189.19
  4. Step 4: Simplify right side
    3,166.05x = 10,379,781.68
  5. Step 5: Solve for x
    x = 10,379,781.68/3,166.05
  6. Step 6: Final answer
    x = 3,278.46

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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.