Home / 7,591.19-11,378.99-2,909.93

Finding the Fourth Proportional to 7,591.19, 11,378.99 and 2,909.93

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Solution

The fourth proportional to 7,591.19, 11,378.99 and 2,909.93 is: 4,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.19 : 11,378.99 = 2,909.93 : x
  2. Step 2: Convert to fraction form
    7,591.19/11,378.99 = 2,909.93/x
  3. Step 3: Cross multiply
    7,591.19x = 11,378.99 × 2,909.93
  4. Step 4: Simplify right side
    7,591.19x = 33,112,064.37
  5. Step 5: Solve for x
    x = 33,112,064.37/7,591.19
  6. Step 6: Final answer
    x = 4,361.91

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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.