Home / 4,813.48-7,221.66-2,216.44

Finding the Fourth Proportional to 4,813.48, 7,221.66 and 2,216.44

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Solution

The fourth proportional to 4,813.48, 7,221.66 and 2,216.44 is: 3,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.48 : 7,221.66 = 2,216.44 : x
  2. Step 2: Convert to fraction form
    4,813.48/7,221.66 = 2,216.44/x
  3. Step 3: Cross multiply
    4,813.48x = 7,221.66 × 2,216.44
  4. Step 4: Simplify right side
    4,813.48x = 16,006,376.09
  5. Step 5: Solve for x
    x = 16,006,376.09/4,813.48
  6. Step 6: Final answer
    x = 3,325.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.