Home / 2,832.65-3,908.92-1,573.79

Finding the Fourth Proportional to 2,832.65, 3,908.92 and 1,573.79

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Solution

The fourth proportional to 2,832.65, 3,908.92 and 1,573.79 is: 2,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.65 : 3,908.92 = 1,573.79 : x
  2. Step 2: Convert to fraction form
    2,832.65/3,908.92 = 1,573.79/x
  3. Step 3: Cross multiply
    2,832.65x = 3,908.92 × 1,573.79
  4. Step 4: Simplify right side
    2,832.65x = 6,151,791.79
  5. Step 5: Solve for x
    x = 6,151,791.79/2,832.65
  6. Step 6: Final answer
    x = 2,171.74

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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.