Home / 2,177.88-3,005.40-1,183.14

Finding the Fourth Proportional to 2,177.88, 3,005.40 and 1,183.14

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Solution

The fourth proportional to 2,177.88, 3,005.40 and 1,183.14 is: 1,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.88 : 3,005.40 = 1,183.14 : x
  2. Step 2: Convert to fraction form
    2,177.88/3,005.40 = 1,183.14/x
  3. Step 3: Cross multiply
    2,177.88x = 3,005.40 × 1,183.14
  4. Step 4: Simplify right side
    2,177.88x = 3,555,808.96
  5. Step 5: Solve for x
    x = 3,555,808.96/2,177.88
  6. Step 6: Final answer
    x = 1,632.69

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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.