Home / 5,649.71-7,796.39-3,132.05

Finding the Fourth Proportional to 5,649.71, 7,796.39 and 3,132.05

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Solution

The fourth proportional to 5,649.71, 7,796.39 and 3,132.05 is: 4,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.71 : 7,796.39 = 3,132.05 : x
  2. Step 2: Convert to fraction form
    5,649.71/7,796.39 = 3,132.05/x
  3. Step 3: Cross multiply
    5,649.71x = 7,796.39 × 3,132.05
  4. Step 4: Simplify right side
    5,649.71x = 24,418,628.66
  5. Step 5: Solve for x
    x = 24,418,628.66/5,649.71
  6. Step 6: Final answer
    x = 4,322.11

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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.