Home / 3,976.74-5,493.96-2,649.96

Finding the Fourth Proportional to 3,976.74, 5,493.96 and 2,649.96

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Solution

The fourth proportional to 3,976.74, 5,493.96 and 2,649.96 is: 3,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.74 : 5,493.96 = 2,649.96 : x
  2. Step 2: Convert to fraction form
    3,976.74/5,493.96 = 2,649.96/x
  3. Step 3: Cross multiply
    3,976.74x = 5,493.96 × 2,649.96
  4. Step 4: Simplify right side
    3,976.74x = 14,558,774.24
  5. Step 5: Solve for x
    x = 14,558,774.24/3,976.74
  6. Step 6: Final answer
    x = 3,660.98

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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.