Home / 6,118.80-8,445.48-3,467.79

Finding the Fourth Proportional to 6,118.80, 8,445.48 and 3,467.79

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Solution

The fourth proportional to 6,118.80, 8,445.48 and 3,467.79 is: 4,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.80 : 8,445.48 = 3,467.79 : x
  2. Step 2: Convert to fraction form
    6,118.80/8,445.48 = 3,467.79/x
  3. Step 3: Cross multiply
    6,118.80x = 8,445.48 × 3,467.79
  4. Step 4: Simplify right side
    6,118.80x = 29,287,151.09
  5. Step 5: Solve for x
    x = 29,287,151.09/6,118.80
  6. Step 6: Final answer
    x = 4,786.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.