Home / 2,183.97-3,262.66-1,397.68

Finding the Fourth Proportional to 2,183.97, 3,262.66 and 1,397.68

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Solution

The fourth proportional to 2,183.97, 3,262.66 and 1,397.68 is: 2,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.97 : 3,262.66 = 1,397.68 : x
  2. Step 2: Convert to fraction form
    2,183.97/3,262.66 = 1,397.68/x
  3. Step 3: Cross multiply
    2,183.97x = 3,262.66 × 1,397.68
  4. Step 4: Simplify right side
    2,183.97x = 4,560,154.63
  5. Step 5: Solve for x
    x = 4,560,154.63/2,183.97
  6. Step 6: Final answer
    x = 2,088.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.