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Finding the Fourth Proportional to 3,467.90, 5,201.92 and 1,246.88

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Solution

The fourth proportional to 3,467.90, 5,201.92 and 1,246.88 is: 1,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.90 : 5,201.92 = 1,246.88 : x
  2. Step 2: Convert to fraction form
    3,467.90/5,201.92 = 1,246.88/x
  3. Step 3: Cross multiply
    3,467.90x = 5,201.92 × 1,246.88
  4. Step 4: Simplify right side
    3,467.90x = 6,486,170.01
  5. Step 5: Solve for x
    x = 6,486,170.01/3,467.90
  6. Step 6: Final answer
    x = 1,870.35

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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.