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Finding the Fourth Proportional to 3,983.93, 5,496.86 and 2,305.01

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Solution

The fourth proportional to 3,983.93, 5,496.86 and 2,305.01 is: 3,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.93 : 5,496.86 = 2,305.01 : x
  2. Step 2: Convert to fraction form
    3,983.93/5,496.86 = 2,305.01/x
  3. Step 3: Cross multiply
    3,983.93x = 5,496.86 × 2,305.01
  4. Step 4: Simplify right side
    3,983.93x = 12,670,305.85
  5. Step 5: Solve for x
    x = 12,670,305.85/3,983.93
  6. Step 6: Final answer
    x = 3,180.35

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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.