Home / 5,108.26-7,049.24-2,870.38

Finding the Fourth Proportional to 5,108.26, 7,049.24 and 2,870.38

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Solution

The fourth proportional to 5,108.26, 7,049.24 and 2,870.38 is: 3,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.26 : 7,049.24 = 2,870.38 : x
  2. Step 2: Convert to fraction form
    5,108.26/7,049.24 = 2,870.38/x
  3. Step 3: Cross multiply
    5,108.26x = 7,049.24 × 2,870.38
  4. Step 4: Simplify right side
    5,108.26x = 20,233,997.51
  5. Step 5: Solve for x
    x = 20,233,997.51/5,108.26
  6. Step 6: Final answer
    x = 3,961.04

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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.