Home / 3,241.75-4,862.99-1,189.75

Finding the Fourth Proportional to 3,241.75, 4,862.99 and 1,189.75

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Solution

The fourth proportional to 3,241.75, 4,862.99 and 1,189.75 is: 1,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.75 : 4,862.99 = 1,189.75 : x
  2. Step 2: Convert to fraction form
    3,241.75/4,862.99 = 1,189.75/x
  3. Step 3: Cross multiply
    3,241.75x = 4,862.99 × 1,189.75
  4. Step 4: Simplify right side
    3,241.75x = 5,785,742.35
  5. Step 5: Solve for x
    x = 5,785,742.35/3,241.75
  6. Step 6: Final answer
    x = 1,784.76

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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.