Home / 4,813.51-7,220.28-2,216.47

Finding the Fourth Proportional to 4,813.51, 7,220.28 and 2,216.47

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Solution

The fourth proportional to 4,813.51, 7,220.28 and 2,216.47 is: 3,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.51 : 7,220.28 = 2,216.47 : x
  2. Step 2: Convert to fraction form
    4,813.51/7,220.28 = 2,216.47/x
  3. Step 3: Cross multiply
    4,813.51x = 7,220.28 × 2,216.47
  4. Step 4: Simplify right side
    4,813.51x = 16,003,534.01
  5. Step 5: Solve for x
    x = 16,003,534.01/4,813.51
  6. Step 6: Final answer
    x = 3,324.71

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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.