Home / 7,726.88-11,591.43-2,390.48

Finding the Fourth Proportional to 7,726.88, 11,591.43 and 2,390.48

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Solution

The fourth proportional to 7,726.88, 11,591.43 and 2,390.48 is: 3,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.88 : 11,591.43 = 2,390.48 : x
  2. Step 2: Convert to fraction form
    7,726.88/11,591.43 = 2,390.48/x
  3. Step 3: Cross multiply
    7,726.88x = 11,591.43 × 2,390.48
  4. Step 4: Simplify right side
    7,726.88x = 27,709,023.63
  5. Step 5: Solve for x
    x = 27,709,023.63/7,726.88
  6. Step 6: Final answer
    x = 3,586.06

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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.