Home / 1,747.14-2,411.13-961.22

Finding the Fourth Proportional to 1,747.14, 2,411.13 and 961.22

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Solution

The fourth proportional to 1,747.14, 2,411.13 and 961.22 is: 1,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.14 : 2,411.13 = 961.22 : x
  2. Step 2: Convert to fraction form
    1,747.14/2,411.13 = 961.22/x
  3. Step 3: Cross multiply
    1,747.14x = 2,411.13 × 961.22
  4. Step 4: Simplify right side
    1,747.14x = 2,317,614.32
  5. Step 5: Solve for x
    x = 2,317,614.32/1,747.14
  6. Step 6: Final answer
    x = 1,326.52

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1.5x scale

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.