Home / 4,085.21-6,126.34-1,745.38

Finding the Fourth Proportional to 4,085.21, 6,126.34 and 1,745.38

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Solution

The fourth proportional to 4,085.21, 6,126.34 and 1,745.38 is: 2,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.21 : 6,126.34 = 1,745.38 : x
  2. Step 2: Convert to fraction form
    4,085.21/6,126.34 = 1,745.38/x
  3. Step 3: Cross multiply
    4,085.21x = 6,126.34 × 1,745.38
  4. Step 4: Simplify right side
    4,085.21x = 10,692,795.42
  5. Step 5: Solve for x
    x = 10,692,795.42/4,085.21
  6. Step 6: Final answer
    x = 2,617.44

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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.