Home / 6,285.67-8,674.38-3,559.98

Finding the Fourth Proportional to 6,285.67, 8,674.38 and 3,559.98

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Solution

The fourth proportional to 6,285.67, 8,674.38 and 3,559.98 is: 4,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.67 : 8,674.38 = 3,559.98 : x
  2. Step 2: Convert to fraction form
    6,285.67/8,674.38 = 3,559.98/x
  3. Step 3: Cross multiply
    6,285.67x = 8,674.38 × 3,559.98
  4. Step 4: Simplify right side
    6,285.67x = 30,880,651.84
  5. Step 5: Solve for x
    x = 30,880,651.84/6,285.67
  6. Step 6: Final answer
    x = 4,912.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.