Home / 5,408.79-7,462.37-3,018.37

Finding the Fourth Proportional to 5,408.79, 7,462.37 and 3,018.37

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Solution

The fourth proportional to 5,408.79, 7,462.37 and 3,018.37 is: 4,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.79 : 7,462.37 = 3,018.37 : x
  2. Step 2: Convert to fraction form
    5,408.79/7,462.37 = 3,018.37/x
  3. Step 3: Cross multiply
    5,408.79x = 7,462.37 × 3,018.37
  4. Step 4: Simplify right side
    5,408.79x = 22,524,193.74
  5. Step 5: Solve for x
    x = 22,524,193.74/5,408.79
  6. Step 6: Final answer
    x = 4,164.37

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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.