Home / 7,231.87-10,847.91-2,305.65

Finding the Fourth Proportional to 7,231.87, 10,847.91 and 2,305.65

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Solution

The fourth proportional to 7,231.87, 10,847.91 and 2,305.65 is: 3,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.87 : 10,847.91 = 2,305.65 : x
  2. Step 2: Convert to fraction form
    7,231.87/10,847.91 = 2,305.65/x
  3. Step 3: Cross multiply
    7,231.87x = 10,847.91 × 2,305.65
  4. Step 4: Simplify right side
    7,231.87x = 25,011,483.69
  5. Step 5: Solve for x
    x = 25,011,483.69/7,231.87
  6. Step 6: Final answer
    x = 3,458.51

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1.5x scale

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.