Home / 6,245.82-8,619.23-3,451.32

Finding the Fourth Proportional to 6,245.82, 8,619.23 and 3,451.32

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Solution

The fourth proportional to 6,245.82, 8,619.23 and 3,451.32 is: 4,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.82 : 8,619.23 = 3,451.32 : x
  2. Step 2: Convert to fraction form
    6,245.82/8,619.23 = 3,451.32/x
  3. Step 3: Cross multiply
    6,245.82x = 8,619.23 × 3,451.32
  4. Step 4: Simplify right side
    6,245.82x = 29,747,703.63
  5. Step 5: Solve for x
    x = 29,747,703.63/6,245.82
  6. Step 6: Final answer
    x = 4,762.82

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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.