Home / 5,422.87-8,135.53-2,302.98

Finding the Fourth Proportional to 5,422.87, 8,135.53 and 2,302.98

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Solution

The fourth proportional to 5,422.87, 8,135.53 and 2,302.98 is: 3,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.87 : 8,135.53 = 2,302.98 : x
  2. Step 2: Convert to fraction form
    5,422.87/8,135.53 = 2,302.98/x
  3. Step 3: Cross multiply
    5,422.87x = 8,135.53 × 2,302.98
  4. Step 4: Simplify right side
    5,422.87x = 18,735,917.65
  5. Step 5: Solve for x
    x = 18,735,917.65/5,422.87
  6. Step 6: Final answer
    x = 3,454.98

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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.