Home / 3,318.16-4,578.87-1,825.83

Finding the Fourth Proportional to 3,318.16, 4,578.87 and 1,825.83

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Solution

The fourth proportional to 3,318.16, 4,578.87 and 1,825.83 is: 2,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.16 : 4,578.87 = 1,825.83 : x
  2. Step 2: Convert to fraction form
    3,318.16/4,578.87 = 1,825.83/x
  3. Step 3: Cross multiply
    3,318.16x = 4,578.87 × 1,825.83
  4. Step 4: Simplify right side
    3,318.16x = 8,360,238.21
  5. Step 5: Solve for x
    x = 8,360,238.21/3,318.16
  6. Step 6: Final answer
    x = 2,519.54

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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.