Home / 3,280.38-4,524.87-1,953.19

Finding the Fourth Proportional to 3,280.38, 4,524.87 and 1,953.19

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Solution

The fourth proportional to 3,280.38, 4,524.87 and 1,953.19 is: 2,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.38 : 4,524.87 = 1,953.19 : x
  2. Step 2: Convert to fraction form
    3,280.38/4,524.87 = 1,953.19/x
  3. Step 3: Cross multiply
    3,280.38x = 4,524.87 × 1,953.19
  4. Step 4: Simplify right side
    3,280.38x = 8,837,930.84
  5. Step 5: Solve for x
    x = 8,837,930.84/3,280.38
  6. Step 6: Final answer
    x = 2,694.18

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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.