Home / 3,048.24-4,203.72-1,998.48

Finding the Fourth Proportional to 3,048.24, 4,203.72 and 1,998.48

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Solution

The fourth proportional to 3,048.24, 4,203.72 and 1,998.48 is: 2,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.24 : 4,203.72 = 1,998.48 : x
  2. Step 2: Convert to fraction form
    3,048.24/4,203.72 = 1,998.48/x
  3. Step 3: Cross multiply
    3,048.24x = 4,203.72 × 1,998.48
  4. Step 4: Simplify right side
    3,048.24x = 8,401,050.35
  5. Step 5: Solve for x
    x = 8,401,050.35/3,048.24
  6. Step 6: Final answer
    x = 2,756.03

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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.