Home / 4,872.16-7,310.26-2,680.70

Finding the Fourth Proportional to 4,872.16, 7,310.26 and 2,680.70

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Solution

The fourth proportional to 4,872.16, 7,310.26 and 2,680.70 is: 4,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.16 : 7,310.26 = 2,680.70 : x
  2. Step 2: Convert to fraction form
    4,872.16/7,310.26 = 2,680.70/x
  3. Step 3: Cross multiply
    4,872.16x = 7,310.26 × 2,680.70
  4. Step 4: Simplify right side
    4,872.16x = 19,596,613.98
  5. Step 5: Solve for x
    x = 19,596,613.98/4,872.16
  6. Step 6: Final answer
    x = 4,022.17

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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.