Home / 7,927.90-11,893.60-2,663.10

Finding the Fourth Proportional to 7,927.90, 11,893.60 and 2,663.10

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Solution

The fourth proportional to 7,927.90, 11,893.60 and 2,663.10 is: 3,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.90 : 11,893.60 = 2,663.10 : x
  2. Step 2: Convert to fraction form
    7,927.90/11,893.60 = 2,663.10/x
  3. Step 3: Cross multiply
    7,927.90x = 11,893.60 × 2,663.10
  4. Step 4: Simplify right side
    7,927.90x = 31,673,849.49
  5. Step 5: Solve for x
    x = 31,673,849.49/7,927.90
  6. Step 6: Final answer
    x = 3,995.24

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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.