Home / 3,098.24-4,647.72-1,249.28

Finding the Fourth Proportional to 3,098.24, 4,647.72 and 1,249.28

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Solution

The fourth proportional to 3,098.24, 4,647.72 and 1,249.28 is: 1,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.24 : 4,647.72 = 1,249.28 : x
  2. Step 2: Convert to fraction form
    3,098.24/4,647.72 = 1,249.28/x
  3. Step 3: Cross multiply
    3,098.24x = 4,647.72 × 1,249.28
  4. Step 4: Simplify right side
    3,098.24x = 5,806,303.64
  5. Step 5: Solve for x
    x = 5,806,303.64/3,098.24
  6. Step 6: Final answer
    x = 1,874.07

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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.