Home / 3,382.51-5,073.76-2,219.87

Finding the Fourth Proportional to 3,382.51, 5,073.76 and 2,219.87

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Solution

The fourth proportional to 3,382.51, 5,073.76 and 2,219.87 is: 3,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.51 : 5,073.76 = 2,219.87 : x
  2. Step 2: Convert to fraction form
    3,382.51/5,073.76 = 2,219.87/x
  3. Step 3: Cross multiply
    3,382.51x = 5,073.76 × 2,219.87
  4. Step 4: Simplify right side
    3,382.51x = 11,263,056.69
  5. Step 5: Solve for x
    x = 11,263,056.69/3,382.51
  6. Step 6: Final answer
    x = 3,329.80

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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.