Home / 2,177.92-3,005.53-1,183.20

Finding the Fourth Proportional to 2,177.92, 3,005.53 and 1,183.20

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Solution

The fourth proportional to 2,177.92, 3,005.53 and 1,183.20 is: 1,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.92 : 3,005.53 = 1,183.20 : x
  2. Step 2: Convert to fraction form
    2,177.92/3,005.53 = 1,183.20/x
  3. Step 3: Cross multiply
    2,177.92x = 3,005.53 × 1,183.20
  4. Step 4: Simplify right side
    2,177.92x = 3,556,142.30
  5. Step 5: Solve for x
    x = 3,556,142.30/2,177.92
  6. Step 6: Final answer
    x = 1,632.82

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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.