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Finding the Fourth Proportional to 2,458.08, 3,392.16 and 1,339.04

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Solution

The fourth proportional to 2,458.08, 3,392.16 and 1,339.04 is: 1,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.08 : 3,392.16 = 1,339.04 : x
  2. Step 2: Convert to fraction form
    2,458.08/3,392.16 = 1,339.04/x
  3. Step 3: Cross multiply
    2,458.08x = 3,392.16 × 1,339.04
  4. Step 4: Simplify right side
    2,458.08x = 4,542,237.93
  5. Step 5: Solve for x
    x = 4,542,237.93/2,458.08
  6. Step 6: Final answer
    x = 1,847.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.