Home / 4,830.98-7,235.46-2,879.15

Finding the Fourth Proportional to 4,830.98, 7,235.46 and 2,879.15

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Solution

The fourth proportional to 4,830.98, 7,235.46 and 2,879.15 is: 4,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.98 : 7,235.46 = 2,879.15 : x
  2. Step 2: Convert to fraction form
    4,830.98/7,235.46 = 2,879.15/x
  3. Step 3: Cross multiply
    4,830.98x = 7,235.46 × 2,879.15
  4. Step 4: Simplify right side
    4,830.98x = 20,831,938.48
  5. Step 5: Solve for x
    x = 20,831,938.48/4,830.98
  6. Step 6: Final answer
    x = 4,312.16

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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.