Home / 5,159.16-7,750.80-4,879.44

Finding the Fourth Proportional to 5,159.16, 7,750.80 and 4,879.44

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Solution

The fourth proportional to 5,159.16, 7,750.80 and 4,879.44 is: 7,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.16 : 7,750.80 = 4,879.44 : x
  2. Step 2: Convert to fraction form
    5,159.16/7,750.80 = 4,879.44/x
  3. Step 3: Cross multiply
    5,159.16x = 7,750.80 × 4,879.44
  4. Step 4: Simplify right side
    5,159.16x = 37,819,563.55
  5. Step 5: Solve for x
    x = 37,819,563.55/5,159.16
  6. Step 6: Final answer
    x = 7,330.57

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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.