Home / 5,151.38-7,109.16-3,027.03

Finding the Fourth Proportional to 5,151.38, 7,109.16 and 3,027.03

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Solution

The fourth proportional to 5,151.38, 7,109.16 and 3,027.03 is: 4,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.38 : 7,109.16 = 3,027.03 : x
  2. Step 2: Convert to fraction form
    5,151.38/7,109.16 = 3,027.03/x
  3. Step 3: Cross multiply
    5,151.38x = 7,109.16 × 3,027.03
  4. Step 4: Simplify right side
    5,151.38x = 21,519,640.59
  5. Step 5: Solve for x
    x = 21,519,640.59/5,151.38
  6. Step 6: Final answer
    x = 4,177.45

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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.