Home / 5,234.88-7,855.74-4,812.52

Finding the Fourth Proportional to 5,234.88, 7,855.74 and 4,812.52

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Solution

The fourth proportional to 5,234.88, 7,855.74 and 4,812.52 is: 7,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.88 : 7,855.74 = 4,812.52 : x
  2. Step 2: Convert to fraction form
    5,234.88/7,855.74 = 4,812.52/x
  3. Step 3: Cross multiply
    5,234.88x = 7,855.74 × 4,812.52
  4. Step 4: Simplify right side
    5,234.88x = 37,805,866.59
  5. Step 5: Solve for x
    x = 37,805,866.59/5,234.88
  6. Step 6: Final answer
    x = 7,221.92

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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.