Home / 6,942.57-9,580.74-3,798.75

Finding the Fourth Proportional to 6,942.57, 9,580.74 and 3,798.75

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Solution

The fourth proportional to 6,942.57, 9,580.74 and 3,798.75 is: 5,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.57 : 9,580.74 = 3,798.75 : x
  2. Step 2: Convert to fraction form
    6,942.57/9,580.74 = 3,798.75/x
  3. Step 3: Cross multiply
    6,942.57x = 9,580.74 × 3,798.75
  4. Step 4: Simplify right side
    6,942.57x = 36,394,836.08
  5. Step 5: Solve for x
    x = 36,394,836.08/6,942.57
  6. Step 6: Final answer
    x = 5,242.27

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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.