Home / 6,245.19-8,618.36-3,412.58

Finding the Fourth Proportional to 6,245.19, 8,618.36 and 3,412.58

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Solution

The fourth proportional to 6,245.19, 8,618.36 and 3,412.58 is: 4,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.19 : 8,618.36 = 3,412.58 : x
  2. Step 2: Convert to fraction form
    6,245.19/8,618.36 = 3,412.58/x
  3. Step 3: Cross multiply
    6,245.19x = 8,618.36 × 3,412.58
  4. Step 4: Simplify right side
    6,245.19x = 29,410,847.45
  5. Step 5: Solve for x
    x = 29,410,847.45/6,245.19
  6. Step 6: Final answer
    x = 4,709.36

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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.