Home / 5,921.45-8,171.57-3,563.09

Finding the Fourth Proportional to 5,921.45, 8,171.57 and 3,563.09

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Solution

The fourth proportional to 5,921.45, 8,171.57 and 3,563.09 is: 4,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.45 : 8,171.57 = 3,563.09 : x
  2. Step 2: Convert to fraction form
    5,921.45/8,171.57 = 3,563.09/x
  3. Step 3: Cross multiply
    5,921.45x = 8,171.57 × 3,563.09
  4. Step 4: Simplify right side
    5,921.45x = 29,116,021.54
  5. Step 5: Solve for x
    x = 29,116,021.54/5,921.45
  6. Step 6: Final answer
    x = 4,917.04

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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.