Home / 3,974.16-5,484.12-2,205.66

Finding the Fourth Proportional to 3,974.16, 5,484.12 and 2,205.66

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Solution

The fourth proportional to 3,974.16, 5,484.12 and 2,205.66 is: 3,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.16 : 5,484.12 = 2,205.66 : x
  2. Step 2: Convert to fraction form
    3,974.16/5,484.12 = 2,205.66/x
  3. Step 3: Cross multiply
    3,974.16x = 5,484.12 × 2,205.66
  4. Step 4: Simplify right side
    3,974.16x = 12,096,104.12
  5. Step 5: Solve for x
    x = 12,096,104.12/3,974.16
  6. Step 6: Final answer
    x = 3,043.69

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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.