Home / 6,115.88-9,175.41-1,955.97

Finding the Fourth Proportional to 6,115.88, 9,175.41 and 1,955.97

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Solution

The fourth proportional to 6,115.88, 9,175.41 and 1,955.97 is: 2,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.88 : 9,175.41 = 1,955.97 : x
  2. Step 2: Convert to fraction form
    6,115.88/9,175.41 = 1,955.97/x
  3. Step 3: Cross multiply
    6,115.88x = 9,175.41 × 1,955.97
  4. Step 4: Simplify right side
    6,115.88x = 17,946,826.70
  5. Step 5: Solve for x
    x = 17,946,826.70/6,115.88
  6. Step 6: Final answer
    x = 2,934.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.