Home / 6,942.55-9,580.85-3,798.94

Finding the Fourth Proportional to 6,942.55, 9,580.85 and 3,798.94

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Solution

The fourth proportional to 6,942.55, 9,580.85 and 3,798.94 is: 5,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.55 : 9,580.85 = 3,798.94 : x
  2. Step 2: Convert to fraction form
    6,942.55/9,580.85 = 3,798.94/x
  3. Step 3: Cross multiply
    6,942.55x = 9,580.85 × 3,798.94
  4. Step 4: Simplify right side
    6,942.55x = 36,397,074.30
  5. Step 5: Solve for x
    x = 36,397,074.30/6,942.55
  6. Step 6: Final answer
    x = 5,242.61

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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.