Home / 2,183.70-3,013.38-1,344.45

Finding the Fourth Proportional to 2,183.70, 3,013.38 and 1,344.45

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Solution

The fourth proportional to 2,183.70, 3,013.38 and 1,344.45 is: 1,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.70 : 3,013.38 = 1,344.45 : x
  2. Step 2: Convert to fraction form
    2,183.70/3,013.38 = 1,344.45/x
  3. Step 3: Cross multiply
    2,183.70x = 3,013.38 × 1,344.45
  4. Step 4: Simplify right side
    2,183.70x = 4,051,338.74
  5. Step 5: Solve for x
    x = 4,051,338.74/2,183.70
  6. Step 6: Final answer
    x = 1,855.26

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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.