Home / 4,079.22-5,629.26-2,902.36

Finding the Fourth Proportional to 4,079.22, 5,629.26 and 2,902.36

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Solution

The fourth proportional to 4,079.22, 5,629.26 and 2,902.36 is: 4,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.22 : 5,629.26 = 2,902.36 : x
  2. Step 2: Convert to fraction form
    4,079.22/5,629.26 = 2,902.36/x
  3. Step 3: Cross multiply
    4,079.22x = 5,629.26 × 2,902.36
  4. Step 4: Simplify right side
    4,079.22x = 16,338,139.05
  5. Step 5: Solve for x
    x = 16,338,139.05/4,079.22
  6. Step 6: Final answer
    x = 4,005.21

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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.