Home / 7,837.08-11,754.33-2,905.56

Finding the Fourth Proportional to 7,837.08, 11,754.33 and 2,905.56

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Solution

The fourth proportional to 7,837.08, 11,754.33 and 2,905.56 is: 4,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.08 : 11,754.33 = 2,905.56 : x
  2. Step 2: Convert to fraction form
    7,837.08/11,754.33 = 2,905.56/x
  3. Step 3: Cross multiply
    7,837.08x = 11,754.33 × 2,905.56
  4. Step 4: Simplify right side
    7,837.08x = 34,152,911.07
  5. Step 5: Solve for x
    x = 34,152,911.07/7,837.08
  6. Step 6: Final answer
    x = 4,357.86

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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.