Home / 5,974.96-8,249.44-3,621.20

Finding the Fourth Proportional to 5,974.96, 8,249.44 and 3,621.20

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Solution

The fourth proportional to 5,974.96, 8,249.44 and 3,621.20 is: 4,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.96 : 8,249.44 = 3,621.20 : x
  2. Step 2: Convert to fraction form
    5,974.96/8,249.44 = 3,621.20/x
  3. Step 3: Cross multiply
    5,974.96x = 8,249.44 × 3,621.20
  4. Step 4: Simplify right side
    5,974.96x = 29,872,872.13
  5. Step 5: Solve for x
    x = 29,872,872.13/5,974.96
  6. Step 6: Final answer
    x = 4,999.68

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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.