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Finding the Fourth Proportional to 3,160.88, 4,736.52 and 2,003.12

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Solution

The fourth proportional to 3,160.88, 4,736.52 and 2,003.12 is: 3,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.88 : 4,736.52 = 2,003.12 : x
  2. Step 2: Convert to fraction form
    3,160.88/4,736.52 = 2,003.12/x
  3. Step 3: Cross multiply
    3,160.88x = 4,736.52 × 2,003.12
  4. Step 4: Simplify right side
    3,160.88x = 9,487,817.94
  5. Step 5: Solve for x
    x = 9,487,817.94/3,160.88
  6. Step 6: Final answer
    x = 3,001.64

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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.