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Finding the Fourth Proportional to 4,671.90, 6,998.94 and 3,976.92

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Solution

The fourth proportional to 4,671.90, 6,998.94 and 3,976.92 is: 5,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.90 : 6,998.94 = 3,976.92 : x
  2. Step 2: Convert to fraction form
    4,671.90/6,998.94 = 3,976.92/x
  3. Step 3: Cross multiply
    4,671.90x = 6,998.94 × 3,976.92
  4. Step 4: Simplify right side
    4,671.90x = 27,834,224.46
  5. Step 5: Solve for x
    x = 27,834,224.46/4,671.90
  6. Step 6: Final answer
    x = 5,957.80

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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.