Home / 7,033.42-9,706.26-3,889.72

Finding the Fourth Proportional to 7,033.42, 9,706.26 and 3,889.72

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Solution

The fourth proportional to 7,033.42, 9,706.26 and 3,889.72 is: 5,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,033.42 : 9,706.26 = 3,889.72 : x
  2. Step 2: Convert to fraction form
    7,033.42/9,706.26 = 3,889.72/x
  3. Step 3: Cross multiply
    7,033.42x = 9,706.26 × 3,889.72
  4. Step 4: Simplify right side
    7,033.42x = 37,754,633.65
  5. Step 5: Solve for x
    x = 37,754,633.65/7,033.42
  6. Step 6: Final answer
    x = 5,367.89

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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.