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Finding the Fourth Proportional to 3,340.66, 5,010.99 and 3,137.68

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Solution

The fourth proportional to 3,340.66, 5,010.99 and 3,137.68 is: 4,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.66 : 5,010.99 = 3,137.68 : x
  2. Step 2: Convert to fraction form
    3,340.66/5,010.99 = 3,137.68/x
  3. Step 3: Cross multiply
    3,340.66x = 5,010.99 × 3,137.68
  4. Step 4: Simplify right side
    3,340.66x = 15,722,883.10
  5. Step 5: Solve for x
    x = 15,722,883.10/3,340.66
  6. Step 6: Final answer
    x = 4,706.52

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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.