Home / 5,387.37-7,434.62-3,029.49

Finding the Fourth Proportional to 5,387.37, 7,434.62 and 3,029.49

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Solution

The fourth proportional to 5,387.37, 7,434.62 and 3,029.49 is: 4,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.37 : 7,434.62 = 3,029.49 : x
  2. Step 2: Convert to fraction form
    5,387.37/7,434.62 = 3,029.49/x
  3. Step 3: Cross multiply
    5,387.37x = 7,434.62 × 3,029.49
  4. Step 4: Simplify right side
    5,387.37x = 22,523,091.80
  5. Step 5: Solve for x
    x = 22,523,091.80/5,387.37
  6. Step 6: Final answer
    x = 4,180.72

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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.