Home / 5,921.55-8,171.73-3,269.43

Finding the Fourth Proportional to 5,921.55, 8,171.73 and 3,269.43

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Solution

The fourth proportional to 5,921.55, 8,171.73 and 3,269.43 is: 4,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.55 : 8,171.73 = 3,269.43 : x
  2. Step 2: Convert to fraction form
    5,921.55/8,171.73 = 3,269.43/x
  3. Step 3: Cross multiply
    5,921.55x = 8,171.73 × 3,269.43
  4. Step 4: Simplify right side
    5,921.55x = 26,716,899.21
  5. Step 5: Solve for x
    x = 26,716,899.21/5,921.55
  6. Step 6: Final answer
    x = 4,511.81

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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.