Home / 3,600.72-5,393.16-2,772.90

Finding the Fourth Proportional to 3,600.72, 5,393.16 and 2,772.90

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Solution

The fourth proportional to 3,600.72, 5,393.16 and 2,772.90 is: 4,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.72 : 5,393.16 = 2,772.90 : x
  2. Step 2: Convert to fraction form
    3,600.72/5,393.16 = 2,772.90/x
  3. Step 3: Cross multiply
    3,600.72x = 5,393.16 × 2,772.90
  4. Step 4: Simplify right side
    3,600.72x = 14,954,693.36
  5. Step 5: Solve for x
    x = 14,954,693.36/3,600.72
  6. Step 6: Final answer
    x = 4,153.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.