Home / 4,942.05-7,415.63-2,170.67

Finding the Fourth Proportional to 4,942.05, 7,415.63 and 2,170.67

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Solution

The fourth proportional to 4,942.05, 7,415.63 and 2,170.67 is: 3,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.05 : 7,415.63 = 2,170.67 : x
  2. Step 2: Convert to fraction form
    4,942.05/7,415.63 = 2,170.67/x
  3. Step 3: Cross multiply
    4,942.05x = 7,415.63 × 2,170.67
  4. Step 4: Simplify right side
    4,942.05x = 16,096,837.64
  5. Step 5: Solve for x
    x = 16,096,837.64/4,942.05
  6. Step 6: Final answer
    x = 3,257.12

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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.