Home / 7,310.69-10,975.10-4,861.25

Finding the Fourth Proportional to 7,310.69, 10,975.10 and 4,861.25

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Solution

The fourth proportional to 7,310.69, 10,975.10 and 4,861.25 is: 7,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.69 : 10,975.10 = 4,861.25 : x
  2. Step 2: Convert to fraction form
    7,310.69/10,975.10 = 4,861.25/x
  3. Step 3: Cross multiply
    7,310.69x = 10,975.10 × 4,861.25
  4. Step 4: Simplify right side
    7,310.69x = 53,352,625.69
  5. Step 5: Solve for x
    x = 53,352,625.69/7,310.69
  6. Step 6: Final answer
    x = 7,297.90

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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.