Home / 5,408.45-7,456.81-4,600.09

Finding the Fourth Proportional to 5,408.45, 7,456.81 and 4,600.09

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Solution

The fourth proportional to 5,408.45, 7,456.81 and 4,600.09 is: 6,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.45 : 7,456.81 = 4,600.09 : x
  2. Step 2: Convert to fraction form
    5,408.45/7,456.81 = 4,600.09/x
  3. Step 3: Cross multiply
    5,408.45x = 7,456.81 × 4,600.09
  4. Step 4: Simplify right side
    5,408.45x = 34,302,003.56
  5. Step 5: Solve for x
    x = 34,302,003.56/5,408.45
  6. Step 6: Final answer
    x = 6,342.30

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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.