Home / 5,697.37-8,540.25-3,618.91

Finding the Fourth Proportional to 5,697.37, 8,540.25 and 3,618.91

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Solution

The fourth proportional to 5,697.37, 8,540.25 and 3,618.91 is: 5,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.37 : 8,540.25 = 3,618.91 : x
  2. Step 2: Convert to fraction form
    5,697.37/8,540.25 = 3,618.91/x
  3. Step 3: Cross multiply
    5,697.37x = 8,540.25 × 3,618.91
  4. Step 4: Simplify right side
    5,697.37x = 30,906,396.13
  5. Step 5: Solve for x
    x = 30,906,396.13/5,697.37
  6. Step 6: Final answer
    x = 5,424.68

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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.