Home / 7,720.04-10,653.66-4,183.25

Finding the Fourth Proportional to 7,720.04, 10,653.66 and 4,183.25

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Solution

The fourth proportional to 7,720.04, 10,653.66 and 4,183.25 is: 5,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.04 : 10,653.66 = 4,183.25 : x
  2. Step 2: Convert to fraction form
    7,720.04/10,653.66 = 4,183.25/x
  3. Step 3: Cross multiply
    7,720.04x = 10,653.66 × 4,183.25
  4. Step 4: Simplify right side
    7,720.04x = 44,566,869.93
  5. Step 5: Solve for x
    x = 44,566,869.93/7,720.04
  6. Step 6: Final answer
    x = 5,772.88

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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.