Home / 5,885.19-8,121.20-3,367.31

Finding the Fourth Proportional to 5,885.19, 8,121.20 and 3,367.31

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Solution

The fourth proportional to 5,885.19, 8,121.20 and 3,367.31 is: 4,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.19 : 8,121.20 = 3,367.31 : x
  2. Step 2: Convert to fraction form
    5,885.19/8,121.20 = 3,367.31/x
  3. Step 3: Cross multiply
    5,885.19x = 8,121.20 × 3,367.31
  4. Step 4: Simplify right side
    5,885.19x = 27,346,540.53
  5. Step 5: Solve for x
    x = 27,346,540.53/5,885.19
  6. Step 6: Final answer
    x = 4,646.67

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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.