Home / 5,216.58-7,199.01-2,858.94

Finding the Fourth Proportional to 5,216.58, 7,199.01 and 2,858.94

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Solution

The fourth proportional to 5,216.58, 7,199.01 and 2,858.94 is: 3,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.58 : 7,199.01 = 2,858.94 : x
  2. Step 2: Convert to fraction form
    5,216.58/7,199.01 = 2,858.94/x
  3. Step 3: Cross multiply
    5,216.58x = 7,199.01 × 2,858.94
  4. Step 4: Simplify right side
    5,216.58x = 20,581,537.65
  5. Step 5: Solve for x
    x = 20,581,537.65/5,216.58
  6. Step 6: Final answer
    x = 3,945.41

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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.