Home / 7,387.77-11,075.82-3,687.96

Finding the Fourth Proportional to 7,387.77, 11,075.82 and 3,687.96

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Solution

The fourth proportional to 7,387.77, 11,075.82 and 3,687.96 is: 5,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.77 : 11,075.82 = 3,687.96 : x
  2. Step 2: Convert to fraction form
    7,387.77/11,075.82 = 3,687.96/x
  3. Step 3: Cross multiply
    7,387.77x = 11,075.82 × 3,687.96
  4. Step 4: Simplify right side
    7,387.77x = 40,847,181.13
  5. Step 5: Solve for x
    x = 40,847,181.13/7,387.77
  6. Step 6: Final answer
    x = 5,529.03

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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.