Home / 3,192.83-4,406.18-1,776.61

Finding the Fourth Proportional to 3,192.83, 4,406.18 and 1,776.61

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Solution

The fourth proportional to 3,192.83, 4,406.18 and 1,776.61 is: 2,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.83 : 4,406.18 = 1,776.61 : x
  2. Step 2: Convert to fraction form
    3,192.83/4,406.18 = 1,776.61/x
  3. Step 3: Cross multiply
    3,192.83x = 4,406.18 × 1,776.61
  4. Step 4: Simplify right side
    3,192.83x = 7,828,063.45
  5. Step 5: Solve for x
    x = 7,828,063.45/3,192.83
  6. Step 6: Final answer
    x = 2,451.76

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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.