Home / 5,236.65-7,226.33-2,879.01

Finding the Fourth Proportional to 5,236.65, 7,226.33 and 2,879.01

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Solution

The fourth proportional to 5,236.65, 7,226.33 and 2,879.01 is: 3,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.65 : 7,226.33 = 2,879.01 : x
  2. Step 2: Convert to fraction form
    5,236.65/7,226.33 = 2,879.01/x
  3. Step 3: Cross multiply
    5,236.65x = 7,226.33 × 2,879.01
  4. Step 4: Simplify right side
    5,236.65x = 20,804,661.94
  5. Step 5: Solve for x
    x = 20,804,661.94/5,236.65
  6. Step 6: Final answer
    x = 3,972.90

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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.