Home / 5,162.12-7,736.34-2,699

Finding the Fourth Proportional to 5,162.12, 7,736.34 and 2,699

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Solution

The fourth proportional to 5,162.12, 7,736.34 and 2,699 is: 4,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.12 : 7,736.34 = 2,699 : x
  2. Step 2: Convert to fraction form
    5,162.12/7,736.34 = 2,699/x
  3. Step 3: Cross multiply
    5,162.12x = 7,736.34 × 2,699
  4. Step 4: Simplify right side
    5,162.12x = 20,880,381.66
  5. Step 5: Solve for x
    x = 20,880,381.66/5,162.12
  6. Step 6: Final answer
    x = 4,044.92

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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.