Home / 7,450.94-11,180.86-2,770.16

Finding the Fourth Proportional to 7,450.94, 11,180.86 and 2,770.16

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Solution

The fourth proportional to 7,450.94, 11,180.86 and 2,770.16 is: 4,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.94 : 11,180.86 = 2,770.16 : x
  2. Step 2: Convert to fraction form
    7,450.94/11,180.86 = 2,770.16/x
  3. Step 3: Cross multiply
    7,450.94x = 11,180.86 × 2,770.16
  4. Step 4: Simplify right side
    7,450.94x = 30,972,771.14
  5. Step 5: Solve for x
    x = 30,972,771.14/7,450.94
  6. Step 6: Final answer
    x = 4,156.89

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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.