Home / 7,837.33-11,748.43-2,640.37

Finding the Fourth Proportional to 7,837.33, 11,748.43 and 2,640.37

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Solution

The fourth proportional to 7,837.33, 11,748.43 and 2,640.37 is: 3,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.33 : 11,748.43 = 2,640.37 : x
  2. Step 2: Convert to fraction form
    7,837.33/11,748.43 = 2,640.37/x
  3. Step 3: Cross multiply
    7,837.33x = 11,748.43 × 2,640.37
  4. Step 4: Simplify right side
    7,837.33x = 31,020,166.15
  5. Step 5: Solve for x
    x = 31,020,166.15/7,837.33
  6. Step 6: Final answer
    x = 3,958.00

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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.