Home / 5,176.44-7,142.76-2,937.60

Finding the Fourth Proportional to 5,176.44, 7,142.76 and 2,937.60

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Solution

The fourth proportional to 5,176.44, 7,142.76 and 2,937.60 is: 4,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.44 : 7,142.76 = 2,937.60 : x
  2. Step 2: Convert to fraction form
    5,176.44/7,142.76 = 2,937.60/x
  3. Step 3: Cross multiply
    5,176.44x = 7,142.76 × 2,937.60
  4. Step 4: Simplify right side
    5,176.44x = 20,982,571.78
  5. Step 5: Solve for x
    x = 20,982,571.78/5,176.44
  6. Step 6: Final answer
    x = 4,053.48

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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.