Home / 5,269.67-7,907.68-2,106.55

Finding the Fourth Proportional to 5,269.67, 7,907.68 and 2,106.55

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Solution

The fourth proportional to 5,269.67, 7,907.68 and 2,106.55 is: 3,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.67 : 7,907.68 = 2,106.55 : x
  2. Step 2: Convert to fraction form
    5,269.67/7,907.68 = 2,106.55/x
  3. Step 3: Cross multiply
    5,269.67x = 7,907.68 × 2,106.55
  4. Step 4: Simplify right side
    5,269.67x = 16,657,893.00
  5. Step 5: Solve for x
    x = 16,657,893.00/5,269.67
  6. Step 6: Final answer
    x = 3,161.09

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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.