Home / 3,221.36-4,447.61-2,473.98

Finding the Fourth Proportional to 3,221.36, 4,447.61 and 2,473.98

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Solution

The fourth proportional to 3,221.36, 4,447.61 and 2,473.98 is: 3,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.36 : 4,447.61 = 2,473.98 : x
  2. Step 2: Convert to fraction form
    3,221.36/4,447.61 = 2,473.98/x
  3. Step 3: Cross multiply
    3,221.36x = 4,447.61 × 2,473.98
  4. Step 4: Simplify right side
    3,221.36x = 11,003,285.82
  5. Step 5: Solve for x
    x = 11,003,285.82/3,221.36
  6. Step 6: Final answer
    x = 3,415.73

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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.