Home / 4,139.82-5,713.23-2,276.94

Finding the Fourth Proportional to 4,139.82, 5,713.23 and 2,276.94

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Solution

The fourth proportional to 4,139.82, 5,713.23 and 2,276.94 is: 3,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.82 : 5,713.23 = 2,276.94 : x
  2. Step 2: Convert to fraction form
    4,139.82/5,713.23 = 2,276.94/x
  3. Step 3: Cross multiply
    4,139.82x = 5,713.23 × 2,276.94
  4. Step 4: Simplify right side
    4,139.82x = 13,008,681.92
  5. Step 5: Solve for x
    x = 13,008,681.92/4,139.82
  6. Step 6: Final answer
    x = 3,142.33

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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.