Home / 5,183.96-7,152.87-2,945.25

Finding the Fourth Proportional to 5,183.96, 7,152.87 and 2,945.25

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Solution

The fourth proportional to 5,183.96, 7,152.87 and 2,945.25 is: 4,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.96 : 7,152.87 = 2,945.25 : x
  2. Step 2: Convert to fraction form
    5,183.96/7,152.87 = 2,945.25/x
  3. Step 3: Cross multiply
    5,183.96x = 7,152.87 × 2,945.25
  4. Step 4: Simplify right side
    5,183.96x = 21,066,990.37
  5. Step 5: Solve for x
    x = 21,066,990.37/5,183.96
  6. Step 6: Final answer
    x = 4,063.88

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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.