Home / 4,079.32-5,629.46-2,216.32

Finding the Fourth Proportional to 4,079.32, 5,629.46 and 2,216.32

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Solution

The fourth proportional to 4,079.32, 5,629.46 and 2,216.32 is: 3,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.32 : 5,629.46 = 2,216.32 : x
  2. Step 2: Convert to fraction form
    4,079.32/5,629.46 = 2,216.32/x
  3. Step 3: Cross multiply
    4,079.32x = 5,629.46 × 2,216.32
  4. Step 4: Simplify right side
    4,079.32x = 12,476,684.79
  5. Step 5: Solve for x
    x = 12,476,684.79/4,079.32
  6. Step 6: Final answer
    x = 3,058.52

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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.