Home / 3,189.67-4,401.64-1,863.52

Finding the Fourth Proportional to 3,189.67, 4,401.64 and 1,863.52

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Solution

The fourth proportional to 3,189.67, 4,401.64 and 1,863.52 is: 2,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.67 : 4,401.64 = 1,863.52 : x
  2. Step 2: Convert to fraction form
    3,189.67/4,401.64 = 1,863.52/x
  3. Step 3: Cross multiply
    3,189.67x = 4,401.64 × 1,863.52
  4. Step 4: Simplify right side
    3,189.67x = 8,202,544.17
  5. Step 5: Solve for x
    x = 8,202,544.17/3,189.67
  6. Step 6: Final answer
    x = 2,571.60

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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.