Home / 3,194.42-4,410.32-2,187.80

Finding the Fourth Proportional to 3,194.42, 4,410.32 and 2,187.80

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Solution

The fourth proportional to 3,194.42, 4,410.32 and 2,187.80 is: 3,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.42 : 4,410.32 = 2,187.80 : x
  2. Step 2: Convert to fraction form
    3,194.42/4,410.32 = 2,187.80/x
  3. Step 3: Cross multiply
    3,194.42x = 4,410.32 × 2,187.80
  4. Step 4: Simplify right side
    3,194.42x = 9,648,865.11
  5. Step 5: Solve for x
    x = 9,648,865.11/3,194.42
  6. Step 6: Final answer
    x = 3,020.54

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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.