Home / 5,237.43-7,228.04-2,879.61

Finding the Fourth Proportional to 5,237.43, 7,228.04 and 2,879.61

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Solution

The fourth proportional to 5,237.43, 7,228.04 and 2,879.61 is: 3,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.43 : 7,228.04 = 2,879.61 : x
  2. Step 2: Convert to fraction form
    5,237.43/7,228.04 = 2,879.61/x
  3. Step 3: Cross multiply
    5,237.43x = 7,228.04 × 2,879.61
  4. Step 4: Simplify right side
    5,237.43x = 20,813,936.26
  5. Step 5: Solve for x
    x = 20,813,936.26/5,237.43
  6. Step 6: Final answer
    x = 3,974.07

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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.