Home / 3,416.60-5,123.90-1,336.14

Finding the Fourth Proportional to 3,416.60, 5,123.90 and 1,336.14

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Solution

The fourth proportional to 3,416.60, 5,123.90 and 1,336.14 is: 2,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.60 : 5,123.90 = 1,336.14 : x
  2. Step 2: Convert to fraction form
    3,416.60/5,123.90 = 1,336.14/x
  3. Step 3: Cross multiply
    3,416.60x = 5,123.90 × 1,336.14
  4. Step 4: Simplify right side
    3,416.60x = 6,846,247.75
  5. Step 5: Solve for x
    x = 6,846,247.75/3,416.60
  6. Step 6: Final answer
    x = 2,003.82

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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.