Home / 1,943.39-2,681.75-1,104.08

Finding the Fourth Proportional to 1,943.39, 2,681.75 and 1,104.08

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Solution

The fourth proportional to 1,943.39, 2,681.75 and 1,104.08 is: 1,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.39 : 2,681.75 = 1,104.08 : x
  2. Step 2: Convert to fraction form
    1,943.39/2,681.75 = 1,104.08/x
  3. Step 3: Cross multiply
    1,943.39x = 2,681.75 × 1,104.08
  4. Step 4: Simplify right side
    1,943.39x = 2,960,865.96
  5. Step 5: Solve for x
    x = 2,960,865.96/1,943.39
  6. Step 6: Final answer
    x = 1,523.56

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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.