Home / 3,576.76-4,935.93-2,179.51

Finding the Fourth Proportional to 3,576.76, 4,935.93 and 2,179.51

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Solution

The fourth proportional to 3,576.76, 4,935.93 and 2,179.51 is: 3,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.76 : 4,935.93 = 2,179.51 : x
  2. Step 2: Convert to fraction form
    3,576.76/4,935.93 = 2,179.51/x
  3. Step 3: Cross multiply
    3,576.76x = 4,935.93 × 2,179.51
  4. Step 4: Simplify right side
    3,576.76x = 10,757,908.79
  5. Step 5: Solve for x
    x = 10,757,908.79/3,576.76
  6. Step 6: Final answer
    x = 3,007.72

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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.