Home / 2,206.53-3,043.24-1,940.40

Finding the Fourth Proportional to 2,206.53, 3,043.24 and 1,940.40

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Solution

The fourth proportional to 2,206.53, 3,043.24 and 1,940.40 is: 2,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.53 : 3,043.24 = 1,940.40 : x
  2. Step 2: Convert to fraction form
    2,206.53/3,043.24 = 1,940.40/x
  3. Step 3: Cross multiply
    2,206.53x = 3,043.24 × 1,940.40
  4. Step 4: Simplify right side
    2,206.53x = 5,905,098.05
  5. Step 5: Solve for x
    x = 5,905,098.05/2,206.53
  6. Step 6: Final answer
    x = 2,676.19

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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.