Home / 4,079.44-5,629.64-2,216.44

Finding the Fourth Proportional to 4,079.44, 5,629.64 and 2,216.44

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Solution

The fourth proportional to 4,079.44, 5,629.64 and 2,216.44 is: 3,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.44 : 5,629.64 = 2,216.44 : x
  2. Step 2: Convert to fraction form
    4,079.44/5,629.64 = 2,216.44/x
  3. Step 3: Cross multiply
    4,079.44x = 5,629.64 × 2,216.44
  4. Step 4: Simplify right side
    4,079.44x = 12,477,734.13
  5. Step 5: Solve for x
    x = 12,477,734.13/4,079.44
  6. Step 6: Final answer
    x = 3,058.69

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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.