Home / 4,126.62-6,190.29-1,816.86

Finding the Fourth Proportional to 4,126.62, 6,190.29 and 1,816.86

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Solution

The fourth proportional to 4,126.62, 6,190.29 and 1,816.86 is: 2,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.62 : 6,190.29 = 1,816.86 : x
  2. Step 2: Convert to fraction form
    4,126.62/6,190.29 = 1,816.86/x
  3. Step 3: Cross multiply
    4,126.62x = 6,190.29 × 1,816.86
  4. Step 4: Simplify right side
    4,126.62x = 11,246,890.29
  5. Step 5: Solve for x
    x = 11,246,890.29/4,126.62
  6. Step 6: Final answer
    x = 2,725.45

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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.