Home / 7,153.67-9,873.26-4,171.25

Finding the Fourth Proportional to 7,153.67, 9,873.26 and 4,171.25

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Solution

The fourth proportional to 7,153.67, 9,873.26 and 4,171.25 is: 5,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.67 : 9,873.26 = 4,171.25 : x
  2. Step 2: Convert to fraction form
    7,153.67/9,873.26 = 4,171.25/x
  3. Step 3: Cross multiply
    7,153.67x = 9,873.26 × 4,171.25
  4. Step 4: Simplify right side
    7,153.67x = 41,183,835.78
  5. Step 5: Solve for x
    x = 41,183,835.78/7,153.67
  6. Step 6: Final answer
    x = 5,757.02

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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.