Home / 7,035.32-9,708.24-3,891.26

Finding the Fourth Proportional to 7,035.32, 9,708.24 and 3,891.26

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Solution

The fourth proportional to 7,035.32, 9,708.24 and 3,891.26 is: 5,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.32 : 9,708.24 = 3,891.26 : x
  2. Step 2: Convert to fraction form
    7,035.32/9,708.24 = 3,891.26/x
  3. Step 3: Cross multiply
    7,035.32x = 9,708.24 × 3,891.26
  4. Step 4: Simplify right side
    7,035.32x = 37,777,285.98
  5. Step 5: Solve for x
    x = 37,777,285.98/7,035.32
  6. Step 6: Final answer
    x = 5,369.66

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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.