Home / 5,475.24-8,202.36-3,620.88

Finding the Fourth Proportional to 5,475.24, 8,202.36 and 3,620.88

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Solution

The fourth proportional to 5,475.24, 8,202.36 and 3,620.88 is: 5,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.24 : 8,202.36 = 3,620.88 : x
  2. Step 2: Convert to fraction form
    5,475.24/8,202.36 = 3,620.88/x
  3. Step 3: Cross multiply
    5,475.24x = 8,202.36 × 3,620.88
  4. Step 4: Simplify right side
    5,475.24x = 29,699,761.28
  5. Step 5: Solve for x
    x = 29,699,761.28/5,475.24
  6. Step 6: Final answer
    x = 5,424.38

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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.