Home / 7,087.41-10,629.90-3,578.99

Finding the Fourth Proportional to 7,087.41, 10,629.90 and 3,578.99

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Solution

The fourth proportional to 7,087.41, 10,629.90 and 3,578.99 is: 5,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.41 : 10,629.90 = 3,578.99 : x
  2. Step 2: Convert to fraction form
    7,087.41/10,629.90 = 3,578.99/x
  3. Step 3: Cross multiply
    7,087.41x = 10,629.90 × 3,578.99
  4. Step 4: Simplify right side
    7,087.41x = 38,044,252.65
  5. Step 5: Solve for x
    x = 38,044,252.65/7,087.41
  6. Step 6: Final answer
    x = 5,367.86

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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.