Home / 5,921.30-8,170.25-3,563.60

Finding the Fourth Proportional to 5,921.30, 8,170.25 and 3,563.60

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Solution

The fourth proportional to 5,921.30, 8,170.25 and 3,563.60 is: 4,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.30 : 8,170.25 = 3,563.60 : x
  2. Step 2: Convert to fraction form
    5,921.30/8,170.25 = 3,563.60/x
  3. Step 3: Cross multiply
    5,921.30x = 8,170.25 × 3,563.60
  4. Step 4: Simplify right side
    5,921.30x = 29,115,470.96
  5. Step 5: Solve for x
    x = 29,115,470.96/5,921.30
  6. Step 6: Final answer
    x = 4,917.07

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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.