Home / 7,629.18-11,441.12-3,626.08

Finding the Fourth Proportional to 7,629.18, 11,441.12 and 3,626.08

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Solution

The fourth proportional to 7,629.18, 11,441.12 and 3,626.08 is: 5,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.18 : 11,441.12 = 3,626.08 : x
  2. Step 2: Convert to fraction form
    7,629.18/11,441.12 = 3,626.08/x
  3. Step 3: Cross multiply
    7,629.18x = 11,441.12 × 3,626.08
  4. Step 4: Simplify right side
    7,629.18x = 41,486,416.41
  5. Step 5: Solve for x
    x = 41,486,416.41/7,629.18
  6. Step 6: Final answer
    x = 5,437.86

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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.