Home / 5,183.60-7,765.67-3,781.08

Finding the Fourth Proportional to 5,183.60, 7,765.67 and 3,781.08

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Solution

The fourth proportional to 5,183.60, 7,765.67 and 3,781.08 is: 5,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.60 : 7,765.67 = 3,781.08 : x
  2. Step 2: Convert to fraction form
    5,183.60/7,765.67 = 3,781.08/x
  3. Step 3: Cross multiply
    5,183.60x = 7,765.67 × 3,781.08
  4. Step 4: Simplify right side
    5,183.60x = 29,362,628.98
  5. Step 5: Solve for x
    x = 29,362,628.98/5,183.60
  6. Step 6: Final answer
    x = 5,664.53

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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.