Home / 7,838.16-11,757.23-2,644.03

Finding the Fourth Proportional to 7,838.16, 11,757.23 and 2,644.03

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Solution

The fourth proportional to 7,838.16, 11,757.23 and 2,644.03 is: 3,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.16 : 11,757.23 = 2,644.03 : x
  2. Step 2: Convert to fraction form
    7,838.16/11,757.23 = 2,644.03/x
  3. Step 3: Cross multiply
    7,838.16x = 11,757.23 × 2,644.03
  4. Step 4: Simplify right side
    7,838.16x = 31,086,495.10
  5. Step 5: Solve for x
    x = 31,086,495.10/7,838.16
  6. Step 6: Final answer
    x = 3,966.05

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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.