Home / 5,369.46-8,052.78-1,669.78

Finding the Fourth Proportional to 5,369.46, 8,052.78 and 1,669.78

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Solution

The fourth proportional to 5,369.46, 8,052.78 and 1,669.78 is: 2,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.46 : 8,052.78 = 1,669.78 : x
  2. Step 2: Convert to fraction form
    5,369.46/8,052.78 = 1,669.78/x
  3. Step 3: Cross multiply
    5,369.46x = 8,052.78 × 1,669.78
  4. Step 4: Simplify right side
    5,369.46x = 13,446,387.32
  5. Step 5: Solve for x
    x = 13,446,387.32/5,369.46
  6. Step 6: Final answer
    x = 2,504.24

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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.