Home / 6,935.12-9,570.32-3,791.12

Finding the Fourth Proportional to 6,935.12, 9,570.32 and 3,791.12

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Solution

The fourth proportional to 6,935.12, 9,570.32 and 3,791.12 is: 5,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.12 : 9,570.32 = 3,791.12 : x
  2. Step 2: Convert to fraction form
    6,935.12/9,570.32 = 3,791.12/x
  3. Step 3: Cross multiply
    6,935.12x = 9,570.32 × 3,791.12
  4. Step 4: Simplify right side
    6,935.12x = 36,282,231.56
  5. Step 5: Solve for x
    x = 36,282,231.56/6,935.12
  6. Step 6: Final answer
    x = 5,231.67

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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.