Home / 1,943.08-2,680.86-1,755.97

Finding the Fourth Proportional to 1,943.08, 2,680.86 and 1,755.97

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Solution

The fourth proportional to 1,943.08, 2,680.86 and 1,755.97 is: 2,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.08 : 2,680.86 = 1,755.97 : x
  2. Step 2: Convert to fraction form
    1,943.08/2,680.86 = 1,755.97/x
  3. Step 3: Cross multiply
    1,943.08x = 2,680.86 × 1,755.97
  4. Step 4: Simplify right side
    1,943.08x = 4,707,503.03
  5. Step 5: Solve for x
    x = 4,707,503.03/1,943.08
  6. Step 6: Final answer
    x = 2,422.70

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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.