Home / 7,720.16-10,653.85-4,183.37

Finding the Fourth Proportional to 7,720.16, 10,653.85 and 4,183.37

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Solution

The fourth proportional to 7,720.16, 10,653.85 and 4,183.37 is: 5,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.16 : 10,653.85 = 4,183.37 : x
  2. Step 2: Convert to fraction form
    7,720.16/10,653.85 = 4,183.37/x
  3. Step 3: Cross multiply
    7,720.16x = 10,653.85 × 4,183.37
  4. Step 4: Simplify right side
    7,720.16x = 44,568,996.47
  5. Step 5: Solve for x
    x = 44,568,996.47/7,720.16
  6. Step 6: Final answer
    x = 5,773.07

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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.