Home / 5,118.65-7,683.24-3,175.46

Finding the Fourth Proportional to 5,118.65, 7,683.24 and 3,175.46

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Solution

The fourth proportional to 5,118.65, 7,683.24 and 3,175.46 is: 4,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.65 : 7,683.24 = 3,175.46 : x
  2. Step 2: Convert to fraction form
    5,118.65/7,683.24 = 3,175.46/x
  3. Step 3: Cross multiply
    5,118.65x = 7,683.24 × 3,175.46
  4. Step 4: Simplify right side
    5,118.65x = 24,397,821.29
  5. Step 5: Solve for x
    x = 24,397,821.29/5,118.65
  6. Step 6: Final answer
    x = 4,766.46

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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.