Home / 3,048.32-4,550.43-2,679.28

Finding the Fourth Proportional to 3,048.32, 4,550.43 and 2,679.28

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Solution

The fourth proportional to 3,048.32, 4,550.43 and 2,679.28 is: 3,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.32 : 4,550.43 = 2,679.28 : x
  2. Step 2: Convert to fraction form
    3,048.32/4,550.43 = 2,679.28/x
  3. Step 3: Cross multiply
    3,048.32x = 4,550.43 × 2,679.28
  4. Step 4: Simplify right side
    3,048.32x = 12,191,862.69
  5. Step 5: Solve for x
    x = 12,191,862.69/3,048.32
  6. Step 6: Final answer
    x = 3,999.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.