Home / 3,185.61-4,396.12-1,769.23

Finding the Fourth Proportional to 3,185.61, 4,396.12 and 1,769.23

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Solution

The fourth proportional to 3,185.61, 4,396.12 and 1,769.23 is: 2,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.61 : 4,396.12 = 1,769.23 : x
  2. Step 2: Convert to fraction form
    3,185.61/4,396.12 = 1,769.23/x
  3. Step 3: Cross multiply
    3,185.61x = 4,396.12 × 1,769.23
  4. Step 4: Simplify right side
    3,185.61x = 7,777,747.39
  5. Step 5: Solve for x
    x = 7,777,747.39/3,185.61
  6. Step 6: Final answer
    x = 2,441.53

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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.