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Finding the Fourth Proportional to 5,954.86, 8,218.97 and 3,800.98

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Solution

The fourth proportional to 5,954.86, 8,218.97 and 3,800.98 is: 5,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954.86 : 8,218.97 = 3,800.98 : x
  2. Step 2: Convert to fraction form
    5,954.86/8,218.97 = 3,800.98/x
  3. Step 3: Cross multiply
    5,954.86x = 8,218.97 × 3,800.98
  4. Step 4: Simplify right side
    5,954.86x = 31,240,140.59
  5. Step 5: Solve for x
    x = 31,240,140.59/5,954.86
  6. Step 6: Final answer
    x = 5,246.16

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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.