Home / 3,048.24-4,202.04-2,698.80

Finding the Fourth Proportional to 3,048.24, 4,202.04 and 2,698.80

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Solution

The fourth proportional to 3,048.24, 4,202.04 and 2,698.80 is: 3,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.24 : 4,202.04 = 2,698.80 : x
  2. Step 2: Convert to fraction form
    3,048.24/4,202.04 = 2,698.80/x
  3. Step 3: Cross multiply
    3,048.24x = 4,202.04 × 2,698.80
  4. Step 4: Simplify right side
    3,048.24x = 11,340,465.55
  5. Step 5: Solve for x
    x = 11,340,465.55/3,048.24
  6. Step 6: Final answer
    x = 3,720.33

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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.