Home / 5,588.41-8,385.68-3,398.67

Finding the Fourth Proportional to 5,588.41, 8,385.68 and 3,398.67

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Solution

The fourth proportional to 5,588.41, 8,385.68 and 3,398.67 is: 5,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.41 : 8,385.68 = 3,398.67 : x
  2. Step 2: Convert to fraction form
    5,588.41/8,385.68 = 3,398.67/x
  3. Step 3: Cross multiply
    5,588.41x = 8,385.68 × 3,398.67
  4. Step 4: Simplify right side
    5,588.41x = 28,500,142.05
  5. Step 5: Solve for x
    x = 28,500,142.05/5,588.41
  6. Step 6: Final answer
    x = 5,099.87

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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.