Home / 3,178.26-4,384.98-1,833.66

Finding the Fourth Proportional to 3,178.26, 4,384.98 and 1,833.66

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Solution

The fourth proportional to 3,178.26, 4,384.98 and 1,833.66 is: 2,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.26 : 4,384.98 = 1,833.66 : x
  2. Step 2: Convert to fraction form
    3,178.26/4,384.98 = 1,833.66/x
  3. Step 3: Cross multiply
    3,178.26x = 4,384.98 × 1,833.66
  4. Step 4: Simplify right side
    3,178.26x = 8,040,562.43
  5. Step 5: Solve for x
    x = 8,040,562.43/3,178.26
  6. Step 6: Final answer
    x = 2,529.86

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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.