Home / 3,192.69-4,406.21-1,866.31

Finding the Fourth Proportional to 3,192.69, 4,406.21 and 1,866.31

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Solution

The fourth proportional to 3,192.69, 4,406.21 and 1,866.31 is: 2,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.69 : 4,406.21 = 1,866.31 : x
  2. Step 2: Convert to fraction form
    3,192.69/4,406.21 = 1,866.31/x
  3. Step 3: Cross multiply
    3,192.69x = 4,406.21 × 1,866.31
  4. Step 4: Simplify right side
    3,192.69x = 8,223,353.79
  5. Step 5: Solve for x
    x = 8,223,353.79/3,192.69
  6. Step 6: Final answer
    x = 2,575.68

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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.