Home / 3,282.82-4,530.15-1,790.71

Finding the Fourth Proportional to 3,282.82, 4,530.15 and 1,790.71

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Solution

The fourth proportional to 3,282.82, 4,530.15 and 1,790.71 is: 2,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.82 : 4,530.15 = 1,790.71 : x
  2. Step 2: Convert to fraction form
    3,282.82/4,530.15 = 1,790.71/x
  3. Step 3: Cross multiply
    3,282.82x = 4,530.15 × 1,790.71
  4. Step 4: Simplify right side
    3,282.82x = 8,112,184.91
  5. Step 5: Solve for x
    x = 8,112,184.91/3,282.82
  6. Step 6: Final answer
    x = 2,471.10

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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.