Home / 5,235.17-7,849.67-2,115.27

Finding the Fourth Proportional to 5,235.17, 7,849.67 and 2,115.27

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Solution

The fourth proportional to 5,235.17, 7,849.67 and 2,115.27 is: 3,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.17 : 7,849.67 = 2,115.27 : x
  2. Step 2: Convert to fraction form
    5,235.17/7,849.67 = 2,115.27/x
  3. Step 3: Cross multiply
    5,235.17x = 7,849.67 × 2,115.27
  4. Step 4: Simplify right side
    5,235.17x = 16,604,176.75
  5. Step 5: Solve for x
    x = 16,604,176.75/5,235.17
  6. Step 6: Final answer
    x = 3,171.66

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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.