Home / 4,916.81-7,382.61-4,230.95

Finding the Fourth Proportional to 4,916.81, 7,382.61 and 4,230.95

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Solution

The fourth proportional to 4,916.81, 7,382.61 and 4,230.95 is: 6,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.81 : 7,382.61 = 4,230.95 : x
  2. Step 2: Convert to fraction form
    4,916.81/7,382.61 = 4,230.95/x
  3. Step 3: Cross multiply
    4,916.81x = 7,382.61 × 4,230.95
  4. Step 4: Simplify right side
    4,916.81x = 31,235,453.78
  5. Step 5: Solve for x
    x = 31,235,453.78/4,916.81
  6. Step 6: Final answer
    x = 6,352.79

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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.