Home / 7,311.23-10,965.26-2,313.99

Finding the Fourth Proportional to 7,311.23, 10,965.26 and 2,313.99

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Solution

The fourth proportional to 7,311.23, 10,965.26 and 2,313.99 is: 3,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.23 : 10,965.26 = 2,313.99 : x
  2. Step 2: Convert to fraction form
    7,311.23/10,965.26 = 2,313.99/x
  3. Step 3: Cross multiply
    7,311.23x = 10,965.26 × 2,313.99
  4. Step 4: Simplify right side
    7,311.23x = 25,373,501.99
  5. Step 5: Solve for x
    x = 25,373,501.99/7,311.23
  6. Step 6: Final answer
    x = 3,470.48

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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.