Home / 3,803.97-5,706.83-1,612.78

Finding the Fourth Proportional to 3,803.97, 5,706.83 and 1,612.78

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Solution

The fourth proportional to 3,803.97, 5,706.83 and 1,612.78 is: 2,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.97 : 5,706.83 = 1,612.78 : x
  2. Step 2: Convert to fraction form
    3,803.97/5,706.83 = 1,612.78/x
  3. Step 3: Cross multiply
    3,803.97x = 5,706.83 × 1,612.78
  4. Step 4: Simplify right side
    3,803.97x = 9,203,861.29
  5. Step 5: Solve for x
    x = 9,203,861.29/3,803.97
  6. Step 6: Final answer
    x = 2,419.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.