Home / 4,079.75-5,630.06-2,216.75

Finding the Fourth Proportional to 4,079.75, 5,630.06 and 2,216.75

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Solution

The fourth proportional to 4,079.75, 5,630.06 and 2,216.75 is: 3,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.75 : 5,630.06 = 2,216.75 : x
  2. Step 2: Convert to fraction form
    4,079.75/5,630.06 = 2,216.75/x
  3. Step 3: Cross multiply
    4,079.75x = 5,630.06 × 2,216.75
  4. Step 4: Simplify right side
    4,079.75x = 12,480,435.51
  5. Step 5: Solve for x
    x = 12,480,435.51/4,079.75
  6. Step 6: Final answer
    x = 3,059.12

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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.