Home / 5,557.68-7,671.15-3,201.39

Finding the Fourth Proportional to 5,557.68, 7,671.15 and 3,201.39

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Solution

The fourth proportional to 5,557.68, 7,671.15 and 3,201.39 is: 4,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.68 : 7,671.15 = 3,201.39 : x
  2. Step 2: Convert to fraction form
    5,557.68/7,671.15 = 3,201.39/x
  3. Step 3: Cross multiply
    5,557.68x = 7,671.15 × 3,201.39
  4. Step 4: Simplify right side
    5,557.68x = 24,558,342.90
  5. Step 5: Solve for x
    x = 24,558,342.90/5,557.68
  6. Step 6: Final answer
    x = 4,418.81

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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.