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Finding the Fourth Proportional to 3,333.57, 5,004.95 and 1,691.25

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Solution

The fourth proportional to 3,333.57, 5,004.95 and 1,691.25 is: 2,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.57 : 5,004.95 = 1,691.25 : x
  2. Step 2: Convert to fraction form
    3,333.57/5,004.95 = 1,691.25/x
  3. Step 3: Cross multiply
    3,333.57x = 5,004.95 × 1,691.25
  4. Step 4: Simplify right side
    3,333.57x = 8,464,621.69
  5. Step 5: Solve for x
    x = 8,464,621.69/3,333.57
  6. Step 6: Final answer
    x = 2,539.21

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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.