Home / 5,488.36-7,571.79-3,249.43

Finding the Fourth Proportional to 5,488.36, 7,571.79 and 3,249.43

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Solution

The fourth proportional to 5,488.36, 7,571.79 and 3,249.43 is: 4,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.36 : 7,571.79 = 3,249.43 : x
  2. Step 2: Convert to fraction form
    5,488.36/7,571.79 = 3,249.43/x
  3. Step 3: Cross multiply
    5,488.36x = 7,571.79 × 3,249.43
  4. Step 4: Simplify right side
    5,488.36x = 24,604,001.58
  5. Step 5: Solve for x
    x = 24,604,001.58/5,488.36
  6. Step 6: Final answer
    x = 4,482.94

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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.