Home / 3,966.08-5,472.97-2,197.58

Finding the Fourth Proportional to 3,966.08, 5,472.97 and 2,197.58

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Solution

The fourth proportional to 3,966.08, 5,472.97 and 2,197.58 is: 3,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.08 : 5,472.97 = 2,197.58 : x
  2. Step 2: Convert to fraction form
    3,966.08/5,472.97 = 2,197.58/x
  3. Step 3: Cross multiply
    3,966.08x = 5,472.97 × 2,197.58
  4. Step 4: Simplify right side
    3,966.08x = 12,027,289.41
  5. Step 5: Solve for x
    x = 12,027,289.41/3,966.08
  6. Step 6: Final answer
    x = 3,032.54

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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.