Home / 5,605.36-8,408.22-3,412.36

Finding the Fourth Proportional to 5,605.36, 8,408.22 and 3,412.36

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Solution

The fourth proportional to 5,605.36, 8,408.22 and 3,412.36 is: 5,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.36 : 8,408.22 = 3,412.36 : x
  2. Step 2: Convert to fraction form
    5,605.36/8,408.22 = 3,412.36/x
  3. Step 3: Cross multiply
    5,605.36x = 8,408.22 × 3,412.36
  4. Step 4: Simplify right side
    5,605.36x = 28,691,873.60
  5. Step 5: Solve for x
    x = 28,691,873.60/5,605.36
  6. Step 6: Final answer
    x = 5,118.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.