Home / 1,961.94-2,705.45-1,365.11

Finding the Fourth Proportional to 1,961.94, 2,705.45 and 1,365.11

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Solution

The fourth proportional to 1,961.94, 2,705.45 and 1,365.11 is: 1,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.94 : 2,705.45 = 1,365.11 : x
  2. Step 2: Convert to fraction form
    1,961.94/2,705.45 = 1,365.11/x
  3. Step 3: Cross multiply
    1,961.94x = 2,705.45 × 1,365.11
  4. Step 4: Simplify right side
    1,961.94x = 3,693,216.50
  5. Step 5: Solve for x
    x = 3,693,216.50/1,961.94
  6. Step 6: Final answer
    x = 1,882.43

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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.