Home / 6,231.52-8,599.60-3,398.89

Finding the Fourth Proportional to 6,231.52, 8,599.60 and 3,398.89

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Solution

The fourth proportional to 6,231.52, 8,599.60 and 3,398.89 is: 4,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.52 : 8,599.60 = 3,398.89 : x
  2. Step 2: Convert to fraction form
    6,231.52/8,599.60 = 3,398.89/x
  3. Step 3: Cross multiply
    6,231.52x = 8,599.60 × 3,398.89
  4. Step 4: Simplify right side
    6,231.52x = 29,229,107.37
  5. Step 5: Solve for x
    x = 29,229,107.37/6,231.52
  6. Step 6: Final answer
    x = 4,690.53

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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.