Home / 4,892.21-7,325.78-2,698.50

Finding the Fourth Proportional to 4,892.21, 7,325.78 and 2,698.50

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Solution

The fourth proportional to 4,892.21, 7,325.78 and 2,698.50 is: 4,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.21 : 7,325.78 = 2,698.50 : x
  2. Step 2: Convert to fraction form
    4,892.21/7,325.78 = 2,698.50/x
  3. Step 3: Cross multiply
    4,892.21x = 7,325.78 × 2,698.50
  4. Step 4: Simplify right side
    4,892.21x = 19,768,603.84
  5. Step 5: Solve for x
    x = 19,768,603.84/4,892.21
  6. Step 6: Final answer
    x = 4,040.84

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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.