Home / 3,189.10-4,399.68-1,844.45

Finding the Fourth Proportional to 3,189.10, 4,399.68 and 1,844.45

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Solution

The fourth proportional to 3,189.10, 4,399.68 and 1,844.45 is: 2,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.10 : 4,399.68 = 1,844.45 : x
  2. Step 2: Convert to fraction form
    3,189.10/4,399.68 = 1,844.45/x
  3. Step 3: Cross multiply
    3,189.10x = 4,399.68 × 1,844.45
  4. Step 4: Simplify right side
    3,189.10x = 8,115,015.94
  5. Step 5: Solve for x
    x = 8,115,015.94/3,189.10
  6. Step 6: Final answer
    x = 2,544.61

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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.