Home / 3,188.93-4,400.62-1,772.53

Finding the Fourth Proportional to 3,188.93, 4,400.62 and 1,772.53

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Solution

The fourth proportional to 3,188.93, 4,400.62 and 1,772.53 is: 2,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.93 : 4,400.62 = 1,772.53 : x
  2. Step 2: Convert to fraction form
    3,188.93/4,400.62 = 1,772.53/x
  3. Step 3: Cross multiply
    3,188.93x = 4,400.62 × 1,772.53
  4. Step 4: Simplify right side
    3,188.93x = 7,800,215.54
  5. Step 5: Solve for x
    x = 7,800,215.54/3,188.93
  6. Step 6: Final answer
    x = 2,446.03

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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.