Home / 4,901.46-7,333.74-2,919.78

Finding the Fourth Proportional to 4,901.46, 7,333.74 and 2,919.78

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Solution

The fourth proportional to 4,901.46, 7,333.74 and 2,919.78 is: 4,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.46 : 7,333.74 = 2,919.78 : x
  2. Step 2: Convert to fraction form
    4,901.46/7,333.74 = 2,919.78/x
  3. Step 3: Cross multiply
    4,901.46x = 7,333.74 × 2,919.78
  4. Step 4: Simplify right side
    4,901.46x = 21,412,907.38
  5. Step 5: Solve for x
    x = 21,412,907.38/4,901.46
  6. Step 6: Final answer
    x = 4,368.68

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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.