Home / 5,175.66-7,146.63-3,410.70

Finding the Fourth Proportional to 5,175.66, 7,146.63 and 3,410.70

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Solution

The fourth proportional to 5,175.66, 7,146.63 and 3,410.70 is: 4,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.66 : 7,146.63 = 3,410.70 : x
  2. Step 2: Convert to fraction form
    5,175.66/7,146.63 = 3,410.70/x
  3. Step 3: Cross multiply
    5,175.66x = 7,146.63 × 3,410.70
  4. Step 4: Simplify right side
    5,175.66x = 24,375,010.94
  5. Step 5: Solve for x
    x = 24,375,010.94/5,175.66
  6. Step 6: Final answer
    x = 4,709.55

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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.