Home / 5,745.18-8,612.16-2,974.98

Finding the Fourth Proportional to 5,745.18, 8,612.16 and 2,974.98

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Solution

The fourth proportional to 5,745.18, 8,612.16 and 2,974.98 is: 4,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.18 : 8,612.16 = 2,974.98 : x
  2. Step 2: Convert to fraction form
    5,745.18/8,612.16 = 2,974.98/x
  3. Step 3: Cross multiply
    5,745.18x = 8,612.16 × 2,974.98
  4. Step 4: Simplify right side
    5,745.18x = 25,621,003.76
  5. Step 5: Solve for x
    x = 25,621,003.76/5,745.18
  6. Step 6: Final answer
    x = 4,459.57

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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.