Home / 3,185.97-4,396.65-1,769.68

Finding the Fourth Proportional to 3,185.97, 4,396.65 and 1,769.68

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Solution

The fourth proportional to 3,185.97, 4,396.65 and 1,769.68 is: 2,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.97 : 4,396.65 = 1,769.68 : x
  2. Step 2: Convert to fraction form
    3,185.97/4,396.65 = 1,769.68/x
  3. Step 3: Cross multiply
    3,185.97x = 4,396.65 × 1,769.68
  4. Step 4: Simplify right side
    3,185.97x = 7,780,663.57
  5. Step 5: Solve for x
    x = 7,780,663.57/3,185.97
  6. Step 6: Final answer
    x = 2,442.16

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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.