Home / 3,576.86-4,936.29-1,983.69

Finding the Fourth Proportional to 3,576.86, 4,936.29 and 1,983.69

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Solution

The fourth proportional to 3,576.86, 4,936.29 and 1,983.69 is: 2,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.86 : 4,936.29 = 1,983.69 : x
  2. Step 2: Convert to fraction form
    3,576.86/4,936.29 = 1,983.69/x
  3. Step 3: Cross multiply
    3,576.86x = 4,936.29 × 1,983.69
  4. Step 4: Simplify right side
    3,576.86x = 9,792,069.11
  5. Step 5: Solve for x
    x = 9,792,069.11/3,576.86
  6. Step 6: Final answer
    x = 2,737.62

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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.