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Finding the Fourth Proportional to 3,641.90, 5,453.13 and 3,204.50

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Solution

The fourth proportional to 3,641.90, 5,453.13 and 3,204.50 is: 4,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.90 : 5,453.13 = 3,204.50 : x
  2. Step 2: Convert to fraction form
    3,641.90/5,453.13 = 3,204.50/x
  3. Step 3: Cross multiply
    3,641.90x = 5,453.13 × 3,204.50
  4. Step 4: Simplify right side
    3,641.90x = 17,474,555.09
  5. Step 5: Solve for x
    x = 17,474,555.09/3,641.90
  6. Step 6: Final answer
    x = 4,798.20

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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.