Home / 3,131.85-4,698.90-1,467.48

Finding the Fourth Proportional to 3,131.85, 4,698.90 and 1,467.48

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Solution

The fourth proportional to 3,131.85, 4,698.90 and 1,467.48 is: 2,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.85 : 4,698.90 = 1,467.48 : x
  2. Step 2: Convert to fraction form
    3,131.85/4,698.90 = 1,467.48/x
  3. Step 3: Cross multiply
    3,131.85x = 4,698.90 × 1,467.48
  4. Step 4: Simplify right side
    3,131.85x = 6,895,541.77
  5. Step 5: Solve for x
    x = 6,895,541.77/3,131.85
  6. Step 6: Final answer
    x = 2,201.75

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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.