Home / 2,110.43-2,912.57-1,401.02

Finding the Fourth Proportional to 2,110.43, 2,912.57 and 1,401.02

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Solution

The fourth proportional to 2,110.43, 2,912.57 and 1,401.02 is: 1,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.43 : 2,912.57 = 1,401.02 : x
  2. Step 2: Convert to fraction form
    2,110.43/2,912.57 = 1,401.02/x
  3. Step 3: Cross multiply
    2,110.43x = 2,912.57 × 1,401.02
  4. Step 4: Simplify right side
    2,110.43x = 4,080,571.31
  5. Step 5: Solve for x
    x = 4,080,571.31/2,110.43
  6. Step 6: Final answer
    x = 1,933.53

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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.