Home / 7,629.56-11,435.10-3,465.36

Finding the Fourth Proportional to 7,629.56, 11,435.10 and 3,465.36

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Solution

The fourth proportional to 7,629.56, 11,435.10 and 3,465.36 is: 5,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.56 : 11,435.10 = 3,465.36 : x
  2. Step 2: Convert to fraction form
    7,629.56/11,435.10 = 3,465.36/x
  3. Step 3: Cross multiply
    7,629.56x = 11,435.10 × 3,465.36
  4. Step 4: Simplify right side
    7,629.56x = 39,626,738.14
  5. Step 5: Solve for x
    x = 39,626,738.14/7,629.56
  6. Step 6: Final answer
    x = 5,193.85

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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.