Home / 3,576.81-4,936.09-1,983.49

Finding the Fourth Proportional to 3,576.81, 4,936.09 and 1,983.49

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Solution

The fourth proportional to 3,576.81, 4,936.09 and 1,983.49 is: 2,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.81 : 4,936.09 = 1,983.49 : x
  2. Step 2: Convert to fraction form
    3,576.81/4,936.09 = 1,983.49/x
  3. Step 3: Cross multiply
    3,576.81x = 4,936.09 × 1,983.49
  4. Step 4: Simplify right side
    3,576.81x = 9,790,671.57
  5. Step 5: Solve for x
    x = 9,790,671.57/3,576.81
  6. Step 6: Final answer
    x = 2,737.26

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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.