Home / 4,715.90-7,072.21-2,375

Finding the Fourth Proportional to 4,715.90, 7,072.21 and 2,375

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Solution

The fourth proportional to 4,715.90, 7,072.21 and 2,375 is: 3,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.90 : 7,072.21 = 2,375 : x
  2. Step 2: Convert to fraction form
    4,715.90/7,072.21 = 2,375/x
  3. Step 3: Cross multiply
    4,715.90x = 7,072.21 × 2,375
  4. Step 4: Simplify right side
    4,715.90x = 16,796,498.75
  5. Step 5: Solve for x
    x = 16,796,498.75/4,715.90
  6. Step 6: Final answer
    x = 3,561.67

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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.