Home / 1,960.88-2,706.36-1,175.36

Finding the Fourth Proportional to 1,960.88, 2,706.36 and 1,175.36

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Solution

The fourth proportional to 1,960.88, 2,706.36 and 1,175.36 is: 1,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.88 : 2,706.36 = 1,175.36 : x
  2. Step 2: Convert to fraction form
    1,960.88/2,706.36 = 1,175.36/x
  3. Step 3: Cross multiply
    1,960.88x = 2,706.36 × 1,175.36
  4. Step 4: Simplify right side
    1,960.88x = 3,180,947.29
  5. Step 5: Solve for x
    x = 3,180,947.29/1,960.88
  6. Step 6: Final answer
    x = 1,622.20

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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.