Home / 4,163.46-5,753.76-3,720.60

Finding the Fourth Proportional to 4,163.46, 5,753.76 and 3,720.60

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Solution

The fourth proportional to 4,163.46, 5,753.76 and 3,720.60 is: 5,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.46 : 5,753.76 = 3,720.60 : x
  2. Step 2: Convert to fraction form
    4,163.46/5,753.76 = 3,720.60/x
  3. Step 3: Cross multiply
    4,163.46x = 5,753.76 × 3,720.60
  4. Step 4: Simplify right side
    4,163.46x = 21,407,439.46
  5. Step 5: Solve for x
    x = 21,407,439.46/4,163.46
  6. Step 6: Final answer
    x = 5,141.74

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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.