Home / 3,282.21-4,529.46-1,790.15

Finding the Fourth Proportional to 3,282.21, 4,529.46 and 1,790.15

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Solution

The fourth proportional to 3,282.21, 4,529.46 and 1,790.15 is: 2,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.21 : 4,529.46 = 1,790.15 : x
  2. Step 2: Convert to fraction form
    3,282.21/4,529.46 = 1,790.15/x
  3. Step 3: Cross multiply
    3,282.21x = 4,529.46 × 1,790.15
  4. Step 4: Simplify right side
    3,282.21x = 8,108,424.14
  5. Step 5: Solve for x
    x = 8,108,424.14/3,282.21
  6. Step 6: Final answer
    x = 2,470.42

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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.