Home / 3,191.16-4,404.88-2,183.47

Finding the Fourth Proportional to 3,191.16, 4,404.88 and 2,183.47

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Solution

The fourth proportional to 3,191.16, 4,404.88 and 2,183.47 is: 3,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.16 : 4,404.88 = 2,183.47 : x
  2. Step 2: Convert to fraction form
    3,191.16/4,404.88 = 2,183.47/x
  3. Step 3: Cross multiply
    3,191.16x = 4,404.88 × 2,183.47
  4. Step 4: Simplify right side
    3,191.16x = 9,617,939.83
  5. Step 5: Solve for x
    x = 9,617,939.83/3,191.16
  6. Step 6: Final answer
    x = 3,013.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.