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Finding the Fourth Proportional to 2,203.46, 3,307.07 and 1,164.21

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Solution

The fourth proportional to 2,203.46, 3,307.07 and 1,164.21 is: 1,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.46 : 3,307.07 = 1,164.21 : x
  2. Step 2: Convert to fraction form
    2,203.46/3,307.07 = 1,164.21/x
  3. Step 3: Cross multiply
    2,203.46x = 3,307.07 × 1,164.21
  4. Step 4: Simplify right side
    2,203.46x = 3,850,123.96
  5. Step 5: Solve for x
    x = 3,850,123.96/2,203.46
  6. Step 6: Final answer
    x = 1,747.31

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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.