Home / 5,168.13-7,133.84-3,072.25

Finding the Fourth Proportional to 5,168.13, 7,133.84 and 3,072.25

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Solution

The fourth proportional to 5,168.13, 7,133.84 and 3,072.25 is: 4,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.13 : 7,133.84 = 3,072.25 : x
  2. Step 2: Convert to fraction form
    5,168.13/7,133.84 = 3,072.25/x
  3. Step 3: Cross multiply
    5,168.13x = 7,133.84 × 3,072.25
  4. Step 4: Simplify right side
    5,168.13x = 21,916,939.94
  5. Step 5: Solve for x
    x = 21,916,939.94/5,168.13
  6. Step 6: Final answer
    x = 4,240.79

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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.