Home / 3,192.89-4,406.81-1,866.71

Finding the Fourth Proportional to 3,192.89, 4,406.81 and 1,866.71

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Solution

The fourth proportional to 3,192.89, 4,406.81 and 1,866.71 is: 2,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.89 : 4,406.81 = 1,866.71 : x
  2. Step 2: Convert to fraction form
    3,192.89/4,406.81 = 1,866.71/x
  3. Step 3: Cross multiply
    3,192.89x = 4,406.81 × 1,866.71
  4. Step 4: Simplify right side
    3,192.89x = 8,226,237.98
  5. Step 5: Solve for x
    x = 8,226,237.98/3,192.89
  6. Step 6: Final answer
    x = 2,576.43

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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.