Home / 7,720.10-10,653.79-4,183.33

Finding the Fourth Proportional to 7,720.10, 10,653.79 and 4,183.33

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Solution

The fourth proportional to 7,720.10, 10,653.79 and 4,183.33 is: 5,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.10 : 10,653.79 = 4,183.33 : x
  2. Step 2: Convert to fraction form
    7,720.10/10,653.79 = 4,183.33/x
  3. Step 3: Cross multiply
    7,720.10x = 10,653.79 × 4,183.33
  4. Step 4: Simplify right side
    7,720.10x = 44,568,319.32
  5. Step 5: Solve for x
    x = 44,568,319.32/7,720.10
  6. Step 6: Final answer
    x = 5,773.02

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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.