Home / 3,318.07-4,578.99-1,826.14

Finding the Fourth Proportional to 3,318.07, 4,578.99 and 1,826.14

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Solution

The fourth proportional to 3,318.07, 4,578.99 and 1,826.14 is: 2,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.07 : 4,578.99 = 1,826.14 : x
  2. Step 2: Convert to fraction form
    3,318.07/4,578.99 = 1,826.14/x
  3. Step 3: Cross multiply
    3,318.07x = 4,578.99 × 1,826.14
  4. Step 4: Simplify right side
    3,318.07x = 8,361,876.80
  5. Step 5: Solve for x
    x = 8,361,876.80/3,318.07
  6. Step 6: Final answer
    x = 2,520.10

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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.