Home / 3,966.44-5,473.53-2,173.88

Finding the Fourth Proportional to 3,966.44, 5,473.53 and 2,173.88

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Solution

The fourth proportional to 3,966.44, 5,473.53 and 2,173.88 is: 2,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.44 : 5,473.53 = 2,173.88 : x
  2. Step 2: Convert to fraction form
    3,966.44/5,473.53 = 2,173.88/x
  3. Step 3: Cross multiply
    3,966.44x = 5,473.53 × 2,173.88
  4. Step 4: Simplify right side
    3,966.44x = 11,898,797.40
  5. Step 5: Solve for x
    x = 11,898,797.40/3,966.44
  6. Step 6: Final answer
    x = 2,999.87

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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.