Home / 4,879.26-7,318.53-1,416.60

Finding the Fourth Proportional to 4,879.26, 7,318.53 and 1,416.60

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Solution

The fourth proportional to 4,879.26, 7,318.53 and 1,416.60 is: 2,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.26 : 7,318.53 = 1,416.60 : x
  2. Step 2: Convert to fraction form
    4,879.26/7,318.53 = 1,416.60/x
  3. Step 3: Cross multiply
    4,879.26x = 7,318.53 × 1,416.60
  4. Step 4: Simplify right side
    4,879.26x = 10,367,429.60
  5. Step 5: Solve for x
    x = 10,367,429.60/4,879.26
  6. Step 6: Final answer
    x = 2,124.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.