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Finding the Fourth Proportional to 2,458.44, 3,392.72 and 1,339.41

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Solution

The fourth proportional to 2,458.44, 3,392.72 and 1,339.41 is: 1,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.44 : 3,392.72 = 1,339.41 : x
  2. Step 2: Convert to fraction form
    2,458.44/3,392.72 = 1,339.41/x
  3. Step 3: Cross multiply
    2,458.44x = 3,392.72 × 1,339.41
  4. Step 4: Simplify right side
    2,458.44x = 4,544,236.40
  5. Step 5: Solve for x
    x = 4,544,236.40/2,458.44
  6. Step 6: Final answer
    x = 1,848.43

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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.