Home / 5,383.21-8,074.58-1,874.01

Finding the Fourth Proportional to 5,383.21, 8,074.58 and 1,874.01

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Solution

The fourth proportional to 5,383.21, 8,074.58 and 1,874.01 is: 2,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.21 : 8,074.58 = 1,874.01 : x
  2. Step 2: Convert to fraction form
    5,383.21/8,074.58 = 1,874.01/x
  3. Step 3: Cross multiply
    5,383.21x = 8,074.58 × 1,874.01
  4. Step 4: Simplify right side
    5,383.21x = 15,131,843.67
  5. Step 5: Solve for x
    x = 15,131,843.67/5,383.21
  6. Step 6: Final answer
    x = 2,810.93

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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.