Home / 2,568.33-3,544.31-1,389.41

Finding the Fourth Proportional to 2,568.33, 3,544.31 and 1,389.41

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Solution

The fourth proportional to 2,568.33, 3,544.31 and 1,389.41 is: 1,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.33 : 3,544.31 = 1,389.41 : x
  2. Step 2: Convert to fraction form
    2,568.33/3,544.31 = 1,389.41/x
  3. Step 3: Cross multiply
    2,568.33x = 3,544.31 × 1,389.41
  4. Step 4: Simplify right side
    2,568.33x = 4,924,475.09
  5. Step 5: Solve for x
    x = 4,924,475.09/2,568.33
  6. Step 6: Final answer
    x = 1,917.38

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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.