Home / 3,221.93-4,448.40-2,474.55

Finding the Fourth Proportional to 3,221.93, 4,448.40 and 2,474.55

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Solution

The fourth proportional to 3,221.93, 4,448.40 and 2,474.55 is: 3,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.93 : 4,448.40 = 2,474.55 : x
  2. Step 2: Convert to fraction form
    3,221.93/4,448.40 = 2,474.55/x
  3. Step 3: Cross multiply
    3,221.93x = 4,448.40 × 2,474.55
  4. Step 4: Simplify right side
    3,221.93x = 11,007,753.61
  5. Step 5: Solve for x
    x = 11,007,753.61/3,221.93
  6. Step 6: Final answer
    x = 3,416.51

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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.