Home / 4,861.46-7,280.58-2,515.16

Finding the Fourth Proportional to 4,861.46, 7,280.58 and 2,515.16

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Solution

The fourth proportional to 4,861.46, 7,280.58 and 2,515.16 is: 3,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.46 : 7,280.58 = 2,515.16 : x
  2. Step 2: Convert to fraction form
    4,861.46/7,280.58 = 2,515.16/x
  3. Step 3: Cross multiply
    4,861.46x = 7,280.58 × 2,515.16
  4. Step 4: Simplify right side
    4,861.46x = 18,311,823.59
  5. Step 5: Solve for x
    x = 18,311,823.59/4,861.46
  6. Step 6: Final answer
    x = 3,766.73

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1.5x scale

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.