Home / 6,917.24-10,378.91-3,629.54

Finding the Fourth Proportional to 6,917.24, 10,378.91 and 3,629.54

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Solution

The fourth proportional to 6,917.24, 10,378.91 and 3,629.54 is: 5,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.24 : 10,378.91 = 3,629.54 : x
  2. Step 2: Convert to fraction form
    6,917.24/10,378.91 = 3,629.54/x
  3. Step 3: Cross multiply
    6,917.24x = 10,378.91 × 3,629.54
  4. Step 4: Simplify right side
    6,917.24x = 37,670,669.00
  5. Step 5: Solve for x
    x = 37,670,669.00/6,917.24
  6. Step 6: Final answer
    x = 5,445.91

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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.