Home / 6,175.62-8,520.24-3,521.12

Finding the Fourth Proportional to 6,175.62, 8,520.24 and 3,521.12

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Solution

The fourth proportional to 6,175.62, 8,520.24 and 3,521.12 is: 4,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.62 : 8,520.24 = 3,521.12 : x
  2. Step 2: Convert to fraction form
    6,175.62/8,520.24 = 3,521.12/x
  3. Step 3: Cross multiply
    6,175.62x = 8,520.24 × 3,521.12
  4. Step 4: Simplify right side
    6,175.62x = 30,000,787.47
  5. Step 5: Solve for x
    x = 30,000,787.47/6,175.62
  6. Step 6: Final answer
    x = 4,857.94

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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.