Home / 7,751.15-11,629.25-3,535.91

Finding the Fourth Proportional to 7,751.15, 11,629.25 and 3,535.91

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Solution

The fourth proportional to 7,751.15, 11,629.25 and 3,535.91 is: 5,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.15 : 11,629.25 = 3,535.91 : x
  2. Step 2: Convert to fraction form
    7,751.15/11,629.25 = 3,535.91/x
  3. Step 3: Cross multiply
    7,751.15x = 11,629.25 × 3,535.91
  4. Step 4: Simplify right side
    7,751.15x = 41,119,981.37
  5. Step 5: Solve for x
    x = 41,119,981.37/7,751.15
  6. Step 6: Final answer
    x = 5,305.02

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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.