Home / 5,176.23-7,142.09-2,937.93

Finding the Fourth Proportional to 5,176.23, 7,142.09 and 2,937.93

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Solution

The fourth proportional to 5,176.23, 7,142.09 and 2,937.93 is: 4,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.23 : 7,142.09 = 2,937.93 : x
  2. Step 2: Convert to fraction form
    5,176.23/7,142.09 = 2,937.93/x
  3. Step 3: Cross multiply
    5,176.23x = 7,142.09 × 2,937.93
  4. Step 4: Simplify right side
    5,176.23x = 20,982,945.78
  5. Step 5: Solve for x
    x = 20,982,945.78/5,176.23
  6. Step 6: Final answer
    x = 4,053.71

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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.