Home / 4,201.25-5,798.75-2,785.01

Finding the Fourth Proportional to 4,201.25, 5,798.75 and 2,785.01

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Solution

The fourth proportional to 4,201.25, 5,798.75 and 2,785.01 is: 3,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.25 : 5,798.75 = 2,785.01 : x
  2. Step 2: Convert to fraction form
    4,201.25/5,798.75 = 2,785.01/x
  3. Step 3: Cross multiply
    4,201.25x = 5,798.75 × 2,785.01
  4. Step 4: Simplify right side
    4,201.25x = 16,149,533.82
  5. Step 5: Solve for x
    x = 16,149,533.82/4,201.25
  6. Step 6: Final answer
    x = 3,843.99

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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.