Home / 6,949.45-10,423.86-2,018.98

Finding the Fourth Proportional to 6,949.45, 10,423.86 and 2,018.98

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Solution

The fourth proportional to 6,949.45, 10,423.86 and 2,018.98 is: 3,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.45 : 10,423.86 = 2,018.98 : x
  2. Step 2: Convert to fraction form
    6,949.45/10,423.86 = 2,018.98/x
  3. Step 3: Cross multiply
    6,949.45x = 10,423.86 × 2,018.98
  4. Step 4: Simplify right side
    6,949.45x = 21,045,564.86
  5. Step 5: Solve for x
    x = 21,045,564.86/6,949.45
  6. Step 6: Final answer
    x = 3,028.38

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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.