Home / 5,470.21-7,550.73-3,558.61

Finding the Fourth Proportional to 5,470.21, 7,550.73 and 3,558.61

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Solution

The fourth proportional to 5,470.21, 7,550.73 and 3,558.61 is: 4,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.21 : 7,550.73 = 3,558.61 : x
  2. Step 2: Convert to fraction form
    5,470.21/7,550.73 = 3,558.61/x
  3. Step 3: Cross multiply
    5,470.21x = 7,550.73 × 3,558.61
  4. Step 4: Simplify right side
    5,470.21x = 26,870,103.29
  5. Step 5: Solve for x
    x = 26,870,103.29/5,470.21
  6. Step 6: Final answer
    x = 4,912.08

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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.