Home / 3,039.97-4,193.07-1,861.62

Finding the Fourth Proportional to 3,039.97, 4,193.07 and 1,861.62

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Solution

The fourth proportional to 3,039.97, 4,193.07 and 1,861.62 is: 2,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.97 : 4,193.07 = 1,861.62 : x
  2. Step 2: Convert to fraction form
    3,039.97/4,193.07 = 1,861.62/x
  3. Step 3: Cross multiply
    3,039.97x = 4,193.07 × 1,861.62
  4. Step 4: Simplify right side
    3,039.97x = 7,805,902.97
  5. Step 5: Solve for x
    x = 7,805,902.97/3,039.97
  6. Step 6: Final answer
    x = 2,567.76

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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.