Home / 2,183.22-3,261.53-1,396.93

Finding the Fourth Proportional to 2,183.22, 3,261.53 and 1,396.93

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Solution

The fourth proportional to 2,183.22, 3,261.53 and 1,396.93 is: 2,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.22 : 3,261.53 = 1,396.93 : x
  2. Step 2: Convert to fraction form
    2,183.22/3,261.53 = 1,396.93/x
  3. Step 3: Cross multiply
    2,183.22x = 3,261.53 × 1,396.93
  4. Step 4: Simplify right side
    2,183.22x = 4,556,129.10
  5. Step 5: Solve for x
    x = 4,556,129.10/2,183.22
  6. Step 6: Final answer
    x = 2,086.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.