Home / 7,028.85-10,545.21-2,098.65

Finding the Fourth Proportional to 7,028.85, 10,545.21 and 2,098.65

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Solution

The fourth proportional to 7,028.85, 10,545.21 and 2,098.65 is: 3,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.85 : 10,545.21 = 2,098.65 : x
  2. Step 2: Convert to fraction form
    7,028.85/10,545.21 = 2,098.65/x
  3. Step 3: Cross multiply
    7,028.85x = 10,545.21 × 2,098.65
  4. Step 4: Simplify right side
    7,028.85x = 22,130,704.97
  5. Step 5: Solve for x
    x = 22,130,704.97/7,028.85
  6. Step 6: Final answer
    x = 3,148.55

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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.