Home / 1,707.33-2,356.17-961.26

Finding the Fourth Proportional to 1,707.33, 2,356.17 and 961.26

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Solution

The fourth proportional to 1,707.33, 2,356.17 and 961.26 is: 1,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.33 : 2,356.17 = 961.26 : x
  2. Step 2: Convert to fraction form
    1,707.33/2,356.17 = 961.26/x
  3. Step 3: Cross multiply
    1,707.33x = 2,356.17 × 961.26
  4. Step 4: Simplify right side
    1,707.33x = 2,264,891.97
  5. Step 5: Solve for x
    x = 2,264,891.97/1,707.33
  6. Step 6: Final answer
    x = 1,326.57

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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.