Home / 3,371.35-4,650.62-2,112.13

Finding the Fourth Proportional to 3,371.35, 4,650.62 and 2,112.13

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Solution

The fourth proportional to 3,371.35, 4,650.62 and 2,112.13 is: 2,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.35 : 4,650.62 = 2,112.13 : x
  2. Step 2: Convert to fraction form
    3,371.35/4,650.62 = 2,112.13/x
  3. Step 3: Cross multiply
    3,371.35x = 4,650.62 × 2,112.13
  4. Step 4: Simplify right side
    3,371.35x = 9,822,714.02
  5. Step 5: Solve for x
    x = 9,822,714.02/3,371.35
  6. Step 6: Final answer
    x = 2,913.59

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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.