Home / 3,189.44-4,401.61-1,792.28

Finding the Fourth Proportional to 3,189.44, 4,401.61 and 1,792.28

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Solution

The fourth proportional to 3,189.44, 4,401.61 and 1,792.28 is: 2,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.44 : 4,401.61 = 1,792.28 : x
  2. Step 2: Convert to fraction form
    3,189.44/4,401.61 = 1,792.28/x
  3. Step 3: Cross multiply
    3,189.44x = 4,401.61 × 1,792.28
  4. Step 4: Simplify right side
    3,189.44x = 7,888,917.57
  5. Step 5: Solve for x
    x = 7,888,917.57/3,189.44
  6. Step 6: Final answer
    x = 2,473.45

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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.