Home / 2,013.24-3,019.12-696.65

Finding the Fourth Proportional to 2,013.24, 3,019.12 and 696.65

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Solution

The fourth proportional to 2,013.24, 3,019.12 and 696.65 is: 1,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.24 : 3,019.12 = 696.65 : x
  2. Step 2: Convert to fraction form
    2,013.24/3,019.12 = 696.65/x
  3. Step 3: Cross multiply
    2,013.24x = 3,019.12 × 696.65
  4. Step 4: Simplify right side
    2,013.24x = 2,103,269.95
  5. Step 5: Solve for x
    x = 2,103,269.95/2,013.24
  6. Step 6: Final answer
    x = 1,044.72

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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.