Home / 3,722.71-5,582.44-1,257.07

Finding the Fourth Proportional to 3,722.71, 5,582.44 and 1,257.07

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Solution

The fourth proportional to 3,722.71, 5,582.44 and 1,257.07 is: 1,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.71 : 5,582.44 = 1,257.07 : x
  2. Step 2: Convert to fraction form
    3,722.71/5,582.44 = 1,257.07/x
  3. Step 3: Cross multiply
    3,722.71x = 5,582.44 × 1,257.07
  4. Step 4: Simplify right side
    3,722.71x = 7,017,517.85
  5. Step 5: Solve for x
    x = 7,017,517.85/3,722.71
  6. Step 6: Final answer
    x = 1,885.06

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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.