Home / 3,682.01-5,080.48-2,190.31

Finding the Fourth Proportional to 3,682.01, 5,080.48 and 2,190.31

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Solution

The fourth proportional to 3,682.01, 5,080.48 and 2,190.31 is: 3,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.01 : 5,080.48 = 2,190.31 : x
  2. Step 2: Convert to fraction form
    3,682.01/5,080.48 = 2,190.31/x
  3. Step 3: Cross multiply
    3,682.01x = 5,080.48 × 2,190.31
  4. Step 4: Simplify right side
    3,682.01x = 11,127,807.97
  5. Step 5: Solve for x
    x = 11,127,807.97/3,682.01
  6. Step 6: Final answer
    x = 3,022.21

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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.