Home / 3,756.96-5,638.68-1,450.08

Finding the Fourth Proportional to 3,756.96, 5,638.68 and 1,450.08

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Solution

The fourth proportional to 3,756.96, 5,638.68 and 1,450.08 is: 2,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.96 : 5,638.68 = 1,450.08 : x
  2. Step 2: Convert to fraction form
    3,756.96/5,638.68 = 1,450.08/x
  3. Step 3: Cross multiply
    3,756.96x = 5,638.68 × 1,450.08
  4. Step 4: Simplify right side
    3,756.96x = 8,176,537.09
  5. Step 5: Solve for x
    x = 8,176,537.09/3,756.96
  6. Step 6: Final answer
    x = 2,176.37

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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.