Home / 7,245.23-10,868.67-2,313.72

Finding the Fourth Proportional to 7,245.23, 10,868.67 and 2,313.72

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Solution

The fourth proportional to 7,245.23, 10,868.67 and 2,313.72 is: 3,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.23 : 10,868.67 = 2,313.72 : x
  2. Step 2: Convert to fraction form
    7,245.23/10,868.67 = 2,313.72/x
  3. Step 3: Cross multiply
    7,245.23x = 10,868.67 × 2,313.72
  4. Step 4: Simplify right side
    7,245.23x = 25,147,059.15
  5. Step 5: Solve for x
    x = 25,147,059.15/7,245.23
  6. Step 6: Final answer
    x = 3,470.85

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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.