Home / 3,576.16-4,935.26-1,982.81

Finding the Fourth Proportional to 3,576.16, 4,935.26 and 1,982.81

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Solution

The fourth proportional to 3,576.16, 4,935.26 and 1,982.81 is: 2,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.16 : 4,935.26 = 1,982.81 : x
  2. Step 2: Convert to fraction form
    3,576.16/4,935.26 = 1,982.81/x
  3. Step 3: Cross multiply
    3,576.16x = 4,935.26 × 1,982.81
  4. Step 4: Simplify right side
    3,576.16x = 9,785,682.88
  5. Step 5: Solve for x
    x = 9,785,682.88/3,576.16
  6. Step 6: Final answer
    x = 2,736.37

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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.