Home / 1,943.21-2,910.26-1,358.79

Finding the Fourth Proportional to 1,943.21, 2,910.26 and 1,358.79

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Solution

The fourth proportional to 1,943.21, 2,910.26 and 1,358.79 is: 2,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.21 : 2,910.26 = 1,358.79 : x
  2. Step 2: Convert to fraction form
    1,943.21/2,910.26 = 1,358.79/x
  3. Step 3: Cross multiply
    1,943.21x = 2,910.26 × 1,358.79
  4. Step 4: Simplify right side
    1,943.21x = 3,954,425.39
  5. Step 5: Solve for x
    x = 3,954,425.39/1,943.21
  6. Step 6: Final answer
    x = 2,035.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.