Home / 5,216.41-7,198.59-2,858.63

Finding the Fourth Proportional to 5,216.41, 7,198.59 and 2,858.63

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Solution

The fourth proportional to 5,216.41, 7,198.59 and 2,858.63 is: 3,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.41 : 7,198.59 = 2,858.63 : x
  2. Step 2: Convert to fraction form
    5,216.41/7,198.59 = 2,858.63/x
  3. Step 3: Cross multiply
    5,216.41x = 7,198.59 × 2,858.63
  4. Step 4: Simplify right side
    5,216.41x = 20,578,123.33
  5. Step 5: Solve for x
    x = 20,578,123.33/5,216.41
  6. Step 6: Final answer
    x = 3,944.88

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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.