Home / 3,671.44-5,070.79-2,418.09

Finding the Fourth Proportional to 3,671.44, 5,070.79 and 2,418.09

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Solution

The fourth proportional to 3,671.44, 5,070.79 and 2,418.09 is: 3,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.44 : 5,070.79 = 2,418.09 : x
  2. Step 2: Convert to fraction form
    3,671.44/5,070.79 = 2,418.09/x
  3. Step 3: Cross multiply
    3,671.44x = 5,070.79 × 2,418.09
  4. Step 4: Simplify right side
    3,671.44x = 12,261,648.63
  5. Step 5: Solve for x
    x = 12,261,648.63/3,671.44
  6. Step 6: Final answer
    x = 3,339.74

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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.