Home / 5,448.56-8,171.64-2,672.48

Finding the Fourth Proportional to 5,448.56, 8,171.64 and 2,672.48

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Solution

The fourth proportional to 5,448.56, 8,171.64 and 2,672.48 is: 4,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.56 : 8,171.64 = 2,672.48 : x
  2. Step 2: Convert to fraction form
    5,448.56/8,171.64 = 2,672.48/x
  3. Step 3: Cross multiply
    5,448.56x = 8,171.64 × 2,672.48
  4. Step 4: Simplify right side
    5,448.56x = 21,838,544.47
  5. Step 5: Solve for x
    x = 21,838,544.47/5,448.56
  6. Step 6: Final answer
    x = 4,008.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.