Home / 6,429.65-8,872.49-3,596.53

Finding the Fourth Proportional to 6,429.65, 8,872.49 and 3,596.53

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Solution

The fourth proportional to 6,429.65, 8,872.49 and 3,596.53 is: 4,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.65 : 8,872.49 = 3,596.53 : x
  2. Step 2: Convert to fraction form
    6,429.65/8,872.49 = 3,596.53/x
  3. Step 3: Cross multiply
    6,429.65x = 8,872.49 × 3,596.53
  4. Step 4: Simplify right side
    6,429.65x = 31,910,163.27
  5. Step 5: Solve for x
    x = 31,910,163.27/6,429.65
  6. Step 6: Final answer
    x = 4,962.97

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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.