Home / 4,879.44-7,319.16-1,416.69

Finding the Fourth Proportional to 4,879.44, 7,319.16 and 1,416.69

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Solution

The fourth proportional to 4,879.44, 7,319.16 and 1,416.69 is: 2,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.44 : 7,319.16 = 1,416.69 : x
  2. Step 2: Convert to fraction form
    4,879.44/7,319.16 = 1,416.69/x
  3. Step 3: Cross multiply
    4,879.44x = 7,319.16 × 1,416.69
  4. Step 4: Simplify right side
    4,879.44x = 10,368,980.78
  5. Step 5: Solve for x
    x = 10,368,980.78/4,879.44
  6. Step 6: Final answer
    x = 2,125.04

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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.