Home / 2,960.69-4,085.75-1,634.36

Finding the Fourth Proportional to 2,960.69, 4,085.75 and 1,634.36

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Solution

The fourth proportional to 2,960.69, 4,085.75 and 1,634.36 is: 2,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.69 : 4,085.75 = 1,634.36 : x
  2. Step 2: Convert to fraction form
    2,960.69/4,085.75 = 1,634.36/x
  3. Step 3: Cross multiply
    2,960.69x = 4,085.75 × 1,634.36
  4. Step 4: Simplify right side
    2,960.69x = 6,677,570.03
  5. Step 5: Solve for x
    x = 6,677,570.03/2,960.69
  6. Step 6: Final answer
    x = 2,255.41

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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.