Home / 3,188.85-4,400.55-1,772.53

Finding the Fourth Proportional to 3,188.85, 4,400.55 and 1,772.53

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Solution

The fourth proportional to 3,188.85, 4,400.55 and 1,772.53 is: 2,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.85 : 4,400.55 = 1,772.53 : x
  2. Step 2: Convert to fraction form
    3,188.85/4,400.55 = 1,772.53/x
  3. Step 3: Cross multiply
    3,188.85x = 4,400.55 × 1,772.53
  4. Step 4: Simplify right side
    3,188.85x = 7,800,106.89
  5. Step 5: Solve for x
    x = 7,800,106.89/3,188.85
  6. Step 6: Final answer
    x = 2,446.06

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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.