Home / 4,113.62-6,168.82-1,339.62

Finding the Fourth Proportional to 4,113.62, 6,168.82 and 1,339.62

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Solution

The fourth proportional to 4,113.62, 6,168.82 and 1,339.62 is: 2,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.62 : 6,168.82 = 1,339.62 : x
  2. Step 2: Convert to fraction form
    4,113.62/6,168.82 = 1,339.62/x
  3. Step 3: Cross multiply
    4,113.62x = 6,168.82 × 1,339.62
  4. Step 4: Simplify right side
    4,113.62x = 8,263,837.11
  5. Step 5: Solve for x
    x = 8,263,837.11/4,113.62
  6. Step 6: Final answer
    x = 2,008.90

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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.