Home / 5,464.45-8,196.72-3,390.49

Finding the Fourth Proportional to 5,464.45, 8,196.72 and 3,390.49

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Solution

The fourth proportional to 5,464.45, 8,196.72 and 3,390.49 is: 5,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.45 : 8,196.72 = 3,390.49 : x
  2. Step 2: Convert to fraction form
    5,464.45/8,196.72 = 3,390.49/x
  3. Step 3: Cross multiply
    5,464.45x = 8,196.72 × 3,390.49
  4. Step 4: Simplify right side
    5,464.45x = 27,790,897.19
  5. Step 5: Solve for x
    x = 27,790,897.19/5,464.45
  6. Step 6: Final answer
    x = 5,085.76

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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.