Home / 3,189.48-4,400.82-1,792.44

Finding the Fourth Proportional to 3,189.48, 4,400.82 and 1,792.44

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Solution

The fourth proportional to 3,189.48, 4,400.82 and 1,792.44 is: 2,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.48 : 4,400.82 = 1,792.44 : x
  2. Step 2: Convert to fraction form
    3,189.48/4,400.82 = 1,792.44/x
  3. Step 3: Cross multiply
    3,189.48x = 4,400.82 × 1,792.44
  4. Step 4: Simplify right side
    3,189.48x = 7,888,205.80
  5. Step 5: Solve for x
    x = 7,888,205.80/3,189.48
  6. Step 6: Final answer
    x = 2,473.19

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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.