Home / 7,441.75-11,170.82-3,742.98

Finding the Fourth Proportional to 7,441.75, 11,170.82 and 3,742.98

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Solution

The fourth proportional to 7,441.75, 11,170.82 and 3,742.98 is: 5,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.75 : 11,170.82 = 3,742.98 : x
  2. Step 2: Convert to fraction form
    7,441.75/11,170.82 = 3,742.98/x
  3. Step 3: Cross multiply
    7,441.75x = 11,170.82 × 3,742.98
  4. Step 4: Simplify right side
    7,441.75x = 41,812,155.84
  5. Step 5: Solve for x
    x = 41,812,155.84/7,441.75
  6. Step 6: Final answer
    x = 5,618.59

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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.