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Finding the Fourth Proportional to 4,840.62, 6,682.26 and 3,721.16

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Solution

The fourth proportional to 4,840.62, 6,682.26 and 3,721.16 is: 5,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.62 : 6,682.26 = 3,721.16 : x
  2. Step 2: Convert to fraction form
    4,840.62/6,682.26 = 3,721.16/x
  3. Step 3: Cross multiply
    4,840.62x = 6,682.26 × 3,721.16
  4. Step 4: Simplify right side
    4,840.62x = 24,865,789.28
  5. Step 5: Solve for x
    x = 24,865,789.28/4,840.62
  6. Step 6: Final answer
    x = 5,136.91

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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.