Home / 3,185.41-4,396.13-1,769.24

Finding the Fourth Proportional to 3,185.41, 4,396.13 and 1,769.24

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Solution

The fourth proportional to 3,185.41, 4,396.13 and 1,769.24 is: 2,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.41 : 4,396.13 = 1,769.24 : x
  2. Step 2: Convert to fraction form
    3,185.41/4,396.13 = 1,769.24/x
  3. Step 3: Cross multiply
    3,185.41x = 4,396.13 × 1,769.24
  4. Step 4: Simplify right side
    3,185.41x = 7,777,809.04
  5. Step 5: Solve for x
    x = 7,777,809.04/3,185.41
  6. Step 6: Final answer
    x = 2,441.70

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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.