Home / 4,919.86-7,373.41-1,996.57

Finding the Fourth Proportional to 4,919.86, 7,373.41 and 1,996.57

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Solution

The fourth proportional to 4,919.86, 7,373.41 and 1,996.57 is: 2,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.86 : 7,373.41 = 1,996.57 : x
  2. Step 2: Convert to fraction form
    4,919.86/7,373.41 = 1,996.57/x
  3. Step 3: Cross multiply
    4,919.86x = 7,373.41 × 1,996.57
  4. Step 4: Simplify right side
    4,919.86x = 14,721,529.20
  5. Step 5: Solve for x
    x = 14,721,529.20/4,919.86
  6. Step 6: Final answer
    x = 2,992.27

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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.