Home / 4,919.24-7,379.88-1,632.16

Finding the Fourth Proportional to 4,919.24, 7,379.88 and 1,632.16

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Solution

The fourth proportional to 4,919.24, 7,379.88 and 1,632.16 is: 2,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.24 : 7,379.88 = 1,632.16 : x
  2. Step 2: Convert to fraction form
    4,919.24/7,379.88 = 1,632.16/x
  3. Step 3: Cross multiply
    4,919.24x = 7,379.88 × 1,632.16
  4. Step 4: Simplify right side
    4,919.24x = 12,045,144.94
  5. Step 5: Solve for x
    x = 12,045,144.94/4,919.24
  6. Step 6: Final answer
    x = 2,448.58

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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.