Home / 5,239.20-7,849.08-3,504.72

Finding the Fourth Proportional to 5,239.20, 7,849.08 and 3,504.72

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Solution

The fourth proportional to 5,239.20, 7,849.08 and 3,504.72 is: 5,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.20 : 7,849.08 = 3,504.72 : x
  2. Step 2: Convert to fraction form
    5,239.20/7,849.08 = 3,504.72/x
  3. Step 3: Cross multiply
    5,239.20x = 7,849.08 × 3,504.72
  4. Step 4: Simplify right side
    5,239.20x = 27,508,827.66
  5. Step 5: Solve for x
    x = 27,508,827.66/5,239.20
  6. Step 6: Final answer
    x = 5,250.58

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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.