Home / 5,629.65-8,423.28-3,369.84

Finding the Fourth Proportional to 5,629.65, 8,423.28 and 3,369.84

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Solution

The fourth proportional to 5,629.65, 8,423.28 and 3,369.84 is: 5,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.65 : 8,423.28 = 3,369.84 : x
  2. Step 2: Convert to fraction form
    5,629.65/8,423.28 = 3,369.84/x
  3. Step 3: Cross multiply
    5,629.65x = 8,423.28 × 3,369.84
  4. Step 4: Simplify right side
    5,629.65x = 28,385,105.88
  5. Step 5: Solve for x
    x = 28,385,105.88/5,629.65
  6. Step 6: Final answer
    x = 5,042.07

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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.