Home / 3,720.16-5,133.87-2,041.73

Finding the Fourth Proportional to 3,720.16, 5,133.87 and 2,041.73

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Solution

The fourth proportional to 3,720.16, 5,133.87 and 2,041.73 is: 2,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.16 : 5,133.87 = 2,041.73 : x
  2. Step 2: Convert to fraction form
    3,720.16/5,133.87 = 2,041.73/x
  3. Step 3: Cross multiply
    3,720.16x = 5,133.87 × 2,041.73
  4. Step 4: Simplify right side
    3,720.16x = 10,481,976.40
  5. Step 5: Solve for x
    x = 10,481,976.40/3,720.16
  6. Step 6: Final answer
    x = 2,817.61

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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.