Home / 3,189.25-4,401.53-1,792.45

Finding the Fourth Proportional to 3,189.25, 4,401.53 and 1,792.45

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Solution

The fourth proportional to 3,189.25, 4,401.53 and 1,792.45 is: 2,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.25 : 4,401.53 = 1,792.45 : x
  2. Step 2: Convert to fraction form
    3,189.25/4,401.53 = 1,792.45/x
  3. Step 3: Cross multiply
    3,189.25x = 4,401.53 × 1,792.45
  4. Step 4: Simplify right side
    3,189.25x = 7,889,522.45
  5. Step 5: Solve for x
    x = 7,889,522.45/3,189.25
  6. Step 6: Final answer
    x = 2,473.79

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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.