Home / 7,435.92-11,155.23-2,505.18

Finding the Fourth Proportional to 7,435.92, 11,155.23 and 2,505.18

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Solution

The fourth proportional to 7,435.92, 11,155.23 and 2,505.18 is: 3,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.92 : 11,155.23 = 2,505.18 : x
  2. Step 2: Convert to fraction form
    7,435.92/11,155.23 = 2,505.18/x
  3. Step 3: Cross multiply
    7,435.92x = 11,155.23 × 2,505.18
  4. Step 4: Simplify right side
    7,435.92x = 27,945,859.09
  5. Step 5: Solve for x
    x = 27,945,859.09/7,435.92
  6. Step 6: Final answer
    x = 3,758.22

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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.