Home / 3,201.99-4,418.72-1,785.69

Finding the Fourth Proportional to 3,201.99, 4,418.72 and 1,785.69

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Solution

The fourth proportional to 3,201.99, 4,418.72 and 1,785.69 is: 2,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.99 : 4,418.72 = 1,785.69 : x
  2. Step 2: Convert to fraction form
    3,201.99/4,418.72 = 1,785.69/x
  3. Step 3: Cross multiply
    3,201.99x = 4,418.72 × 1,785.69
  4. Step 4: Simplify right side
    3,201.99x = 7,890,467.99
  5. Step 5: Solve for x
    x = 7,890,467.99/3,201.99
  6. Step 6: Final answer
    x = 2,464.24

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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.