Home / 3,590.56-5,382-2,561.44

Finding the Fourth Proportional to 3,590.56, 5,382 and 2,561.44

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Solution

The fourth proportional to 3,590.56, 5,382 and 2,561.44 is: 3,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.56 : 5,382 = 2,561.44 : x
  2. Step 2: Convert to fraction form
    3,590.56/5,382 = 2,561.44/x
  3. Step 3: Cross multiply
    3,590.56x = 5,382 × 2,561.44
  4. Step 4: Simplify right side
    3,590.56x = 13,785,670.08
  5. Step 5: Solve for x
    x = 13,785,670.08/3,590.56
  6. Step 6: Final answer
    x = 3,839.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.