Home / 5,076.95-7,610.18-2,116.98

Finding the Fourth Proportional to 5,076.95, 7,610.18 and 2,116.98

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Solution

The fourth proportional to 5,076.95, 7,610.18 and 2,116.98 is: 3,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.95 : 7,610.18 = 2,116.98 : x
  2. Step 2: Convert to fraction form
    5,076.95/7,610.18 = 2,116.98/x
  3. Step 3: Cross multiply
    5,076.95x = 7,610.18 × 2,116.98
  4. Step 4: Simplify right side
    5,076.95x = 16,110,604.15
  5. Step 5: Solve for x
    x = 16,110,604.15/5,076.95
  6. Step 6: Final answer
    x = 3,173.28

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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.