Home / 5,605.41-8,408.16-2,318.46

Finding the Fourth Proportional to 5,605.41, 8,408.16 and 2,318.46

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Solution

The fourth proportional to 5,605.41, 8,408.16 and 2,318.46 is: 3,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.41 : 8,408.16 = 2,318.46 : x
  2. Step 2: Convert to fraction form
    5,605.41/8,408.16 = 2,318.46/x
  3. Step 3: Cross multiply
    5,605.41x = 8,408.16 × 2,318.46
  4. Step 4: Simplify right side
    5,605.41x = 19,493,982.63
  5. Step 5: Solve for x
    x = 19,493,982.63/5,605.41
  6. Step 6: Final answer
    x = 3,477.71

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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.