Home / 4,689.07-7,012.44-3,578.83

Finding the Fourth Proportional to 4,689.07, 7,012.44 and 3,578.83

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Solution

The fourth proportional to 4,689.07, 7,012.44 and 3,578.83 is: 5,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.07 : 7,012.44 = 3,578.83 : x
  2. Step 2: Convert to fraction form
    4,689.07/7,012.44 = 3,578.83/x
  3. Step 3: Cross multiply
    4,689.07x = 7,012.44 × 3,578.83
  4. Step 4: Simplify right side
    4,689.07x = 25,096,330.65
  5. Step 5: Solve for x
    x = 25,096,330.65/4,689.07
  6. Step 6: Final answer
    x = 5,352.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.