Home / 4,079.88-5,628.22-2,662.91

Finding the Fourth Proportional to 4,079.88, 5,628.22 and 2,662.91

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Solution

The fourth proportional to 4,079.88, 5,628.22 and 2,662.91 is: 3,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.88 : 5,628.22 = 2,662.91 : x
  2. Step 2: Convert to fraction form
    4,079.88/5,628.22 = 2,662.91/x
  3. Step 3: Cross multiply
    4,079.88x = 5,628.22 × 2,662.91
  4. Step 4: Simplify right side
    4,079.88x = 14,987,415.18
  5. Step 5: Solve for x
    x = 14,987,415.18/4,079.88
  6. Step 6: Final answer
    x = 3,673.50

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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.