Home / 3,576.81-4,935.91-1,983.47

Finding the Fourth Proportional to 3,576.81, 4,935.91 and 1,983.47

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Solution

The fourth proportional to 3,576.81, 4,935.91 and 1,983.47 is: 2,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.81 : 4,935.91 = 1,983.47 : x
  2. Step 2: Convert to fraction form
    3,576.81/4,935.91 = 1,983.47/x
  3. Step 3: Cross multiply
    3,576.81x = 4,935.91 × 1,983.47
  4. Step 4: Simplify right side
    3,576.81x = 9,790,203.49
  5. Step 5: Solve for x
    x = 9,790,203.49/3,576.81
  6. Step 6: Final answer
    x = 2,737.13

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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.