Home / 7,245.92-10,867.97-2,315.15

Finding the Fourth Proportional to 7,245.92, 10,867.97 and 2,315.15

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Solution

The fourth proportional to 7,245.92, 10,867.97 and 2,315.15 is: 3,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.92 : 10,867.97 = 2,315.15 : x
  2. Step 2: Convert to fraction form
    7,245.92/10,867.97 = 2,315.15/x
  3. Step 3: Cross multiply
    7,245.92x = 10,867.97 × 2,315.15
  4. Step 4: Simplify right side
    7,245.92x = 25,160,914.83
  5. Step 5: Solve for x
    x = 25,160,914.83/7,245.92
  6. Step 6: Final answer
    x = 3,472.43

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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.