Home / 7,175.26-10,761.66-1,910.34

Finding the Fourth Proportional to 7,175.26, 10,761.66 and 1,910.34

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Solution

The fourth proportional to 7,175.26, 10,761.66 and 1,910.34 is: 2,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.26 : 10,761.66 = 1,910.34 : x
  2. Step 2: Convert to fraction form
    7,175.26/10,761.66 = 1,910.34/x
  3. Step 3: Cross multiply
    7,175.26x = 10,761.66 × 1,910.34
  4. Step 4: Simplify right side
    7,175.26x = 20,558,429.56
  5. Step 5: Solve for x
    x = 20,558,429.56/7,175.26
  6. Step 6: Final answer
    x = 2,865.18

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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.