Home / 5,190.88-7,163.61-2,952.96

Finding the Fourth Proportional to 5,190.88, 7,163.61 and 2,952.96

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Solution

The fourth proportional to 5,190.88, 7,163.61 and 2,952.96 is: 4,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.88 : 7,163.61 = 2,952.96 : x
  2. Step 2: Convert to fraction form
    5,190.88/7,163.61 = 2,952.96/x
  3. Step 3: Cross multiply
    5,190.88x = 7,163.61 × 2,952.96
  4. Step 4: Simplify right side
    5,190.88x = 21,153,803.20
  5. Step 5: Solve for x
    x = 21,153,803.20/5,190.88
  6. Step 6: Final answer
    x = 4,075.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.