Home / 5,408.38-7,463.55-3,018.37

Finding the Fourth Proportional to 5,408.38, 7,463.55 and 3,018.37

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Solution

The fourth proportional to 5,408.38, 7,463.55 and 3,018.37 is: 4,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.38 : 7,463.55 = 3,018.37 : x
  2. Step 2: Convert to fraction form
    5,408.38/7,463.55 = 3,018.37/x
  3. Step 3: Cross multiply
    5,408.38x = 7,463.55 × 3,018.37
  4. Step 4: Simplify right side
    5,408.38x = 22,527,755.41
  5. Step 5: Solve for x
    x = 22,527,755.41/5,408.38
  6. Step 6: Final answer
    x = 4,165.34

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Half scale
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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.