Home / 1,943.79-2,682.49-1,059.66

Finding the Fourth Proportional to 1,943.79, 2,682.49 and 1,059.66

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Solution

The fourth proportional to 1,943.79, 2,682.49 and 1,059.66 is: 1,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.79 : 2,682.49 = 1,059.66 : x
  2. Step 2: Convert to fraction form
    1,943.79/2,682.49 = 1,059.66/x
  3. Step 3: Cross multiply
    1,943.79x = 2,682.49 × 1,059.66
  4. Step 4: Simplify right side
    1,943.79x = 2,842,527.35
  5. Step 5: Solve for x
    x = 2,842,527.35/1,943.79
  6. Step 6: Final answer
    x = 1,462.36

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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.