Home / 7,173.27-9,897.27-4,187.19

Finding the Fourth Proportional to 7,173.27, 9,897.27 and 4,187.19

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Solution

The fourth proportional to 7,173.27, 9,897.27 and 4,187.19 is: 5,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.27 : 9,897.27 = 4,187.19 : x
  2. Step 2: Convert to fraction form
    7,173.27/9,897.27 = 4,187.19/x
  3. Step 3: Cross multiply
    7,173.27x = 9,897.27 × 4,187.19
  4. Step 4: Simplify right side
    7,173.27x = 41,441,749.97
  5. Step 5: Solve for x
    x = 41,441,749.97/7,173.27
  6. Step 6: Final answer
    x = 5,777.25

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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.