Home / 5,163.94-7,126.16-2,806.05

Finding the Fourth Proportional to 5,163.94, 7,126.16 and 2,806.05

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Solution

The fourth proportional to 5,163.94, 7,126.16 and 2,806.05 is: 3,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.94 : 7,126.16 = 2,806.05 : x
  2. Step 2: Convert to fraction form
    5,163.94/7,126.16 = 2,806.05/x
  3. Step 3: Cross multiply
    5,163.94x = 7,126.16 × 2,806.05
  4. Step 4: Simplify right side
    5,163.94x = 19,996,361.27
  5. Step 5: Solve for x
    x = 19,996,361.27/5,163.94
  6. Step 6: Final answer
    x = 3,872.31

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1.5x scale

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.