Home / 5,072.35-6,999.99-2,834.48

Finding the Fourth Proportional to 5,072.35, 6,999.99 and 2,834.48

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Solution

The fourth proportional to 5,072.35, 6,999.99 and 2,834.48 is: 3,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.35 : 6,999.99 = 2,834.48 : x
  2. Step 2: Convert to fraction form
    5,072.35/6,999.99 = 2,834.48/x
  3. Step 3: Cross multiply
    5,072.35x = 6,999.99 × 2,834.48
  4. Step 4: Simplify right side
    5,072.35x = 19,841,331.66
  5. Step 5: Solve for x
    x = 19,841,331.66/5,072.35
  6. Step 6: Final answer
    x = 3,911.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.