Home / 3,724.84-5,582.22-1,415.08

Finding the Fourth Proportional to 3,724.84, 5,582.22 and 1,415.08

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Solution

The fourth proportional to 3,724.84, 5,582.22 and 1,415.08 is: 2,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.84 : 5,582.22 = 1,415.08 : x
  2. Step 2: Convert to fraction form
    3,724.84/5,582.22 = 1,415.08/x
  3. Step 3: Cross multiply
    3,724.84x = 5,582.22 × 1,415.08
  4. Step 4: Simplify right side
    3,724.84x = 7,899,287.88
  5. Step 5: Solve for x
    x = 7,899,287.88/3,724.84
  6. Step 6: Final answer
    x = 2,120.71

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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.