Home / 2,183.97-3,013.36-1,239.56

Finding the Fourth Proportional to 2,183.97, 3,013.36 and 1,239.56

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Solution

The fourth proportional to 2,183.97, 3,013.36 and 1,239.56 is: 1,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.97 : 3,013.36 = 1,239.56 : x
  2. Step 2: Convert to fraction form
    2,183.97/3,013.36 = 1,239.56/x
  3. Step 3: Cross multiply
    2,183.97x = 3,013.36 × 1,239.56
  4. Step 4: Simplify right side
    2,183.97x = 3,735,225.45
  5. Step 5: Solve for x
    x = 3,735,225.45/2,183.97
  6. Step 6: Final answer
    x = 1,710.29

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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.