Home / 7,585.38-11,379.03-2,967.78

Finding the Fourth Proportional to 7,585.38, 11,379.03 and 2,967.78

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Solution

The fourth proportional to 7,585.38, 11,379.03 and 2,967.78 is: 4,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.38 : 11,379.03 = 2,967.78 : x
  2. Step 2: Convert to fraction form
    7,585.38/11,379.03 = 2,967.78/x
  3. Step 3: Cross multiply
    7,585.38x = 11,379.03 × 2,967.78
  4. Step 4: Simplify right side
    7,585.38x = 33,770,457.65
  5. Step 5: Solve for x
    x = 33,770,457.65/7,585.38
  6. Step 6: Final answer
    x = 4,452.05

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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.