Home / 3,283.79-4,529.94-2,221.60

Finding the Fourth Proportional to 3,283.79, 4,529.94 and 2,221.60

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Solution

The fourth proportional to 3,283.79, 4,529.94 and 2,221.60 is: 3,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.79 : 4,529.94 = 2,221.60 : x
  2. Step 2: Convert to fraction form
    3,283.79/4,529.94 = 2,221.60/x
  3. Step 3: Cross multiply
    3,283.79x = 4,529.94 × 2,221.60
  4. Step 4: Simplify right side
    3,283.79x = 10,063,695.05
  5. Step 5: Solve for x
    x = 10,063,695.05/3,283.79
  6. Step 6: Final answer
    x = 3,064.66

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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.