Home / 5,214.48-7,198.31-3,328.56

Finding the Fourth Proportional to 5,214.48, 7,198.31 and 3,328.56

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Solution

The fourth proportional to 5,214.48, 7,198.31 and 3,328.56 is: 4,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.48 : 7,198.31 = 3,328.56 : x
  2. Step 2: Convert to fraction form
    5,214.48/7,198.31 = 3,328.56/x
  3. Step 3: Cross multiply
    5,214.48x = 7,198.31 × 3,328.56
  4. Step 4: Simplify right side
    5,214.48x = 23,960,006.73
  5. Step 5: Solve for x
    x = 23,960,006.73/5,214.48
  6. Step 6: Final answer
    x = 4,594.90

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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.