Home / 7,629.90-11,450.67-3,470.04

Finding the Fourth Proportional to 7,629.90, 11,450.67 and 3,470.04

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Solution

The fourth proportional to 7,629.90, 11,450.67 and 3,470.04 is: 5,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.90 : 11,450.67 = 3,470.04 : x
  2. Step 2: Convert to fraction form
    7,629.90/11,450.67 = 3,470.04/x
  3. Step 3: Cross multiply
    7,629.90x = 11,450.67 × 3,470.04
  4. Step 4: Simplify right side
    7,629.90x = 39,734,269.91
  5. Step 5: Solve for x
    x = 39,734,269.91/7,629.90
  6. Step 6: Final answer
    x = 5,207.71

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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.