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Finding the Fourth Proportional to 3,907.42, 5,863.52 and 1,567.17

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Solution

The fourth proportional to 3,907.42, 5,863.52 and 1,567.17 is: 2,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.42 : 5,863.52 = 1,567.17 : x
  2. Step 2: Convert to fraction form
    3,907.42/5,863.52 = 1,567.17/x
  3. Step 3: Cross multiply
    3,907.42x = 5,863.52 × 1,567.17
  4. Step 4: Simplify right side
    3,907.42x = 9,189,124.80
  5. Step 5: Solve for x
    x = 9,189,124.80/3,907.42
  6. Step 6: Final answer
    x = 2,351.71

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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.