Home / 3,536.10-4,879.94-1,942.86

Finding the Fourth Proportional to 3,536.10, 4,879.94 and 1,942.86

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Solution

The fourth proportional to 3,536.10, 4,879.94 and 1,942.86 is: 2,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.10 : 4,879.94 = 1,942.86 : x
  2. Step 2: Convert to fraction form
    3,536.10/4,879.94 = 1,942.86/x
  3. Step 3: Cross multiply
    3,536.10x = 4,879.94 × 1,942.86
  4. Step 4: Simplify right side
    3,536.10x = 9,481,040.23
  5. Step 5: Solve for x
    x = 9,481,040.23/3,536.10
  6. Step 6: Final answer
    x = 2,681.21

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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.