Home / 7,245.19-9,998.36-4,101.38

Finding the Fourth Proportional to 7,245.19, 9,998.36 and 4,101.38

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Solution

The fourth proportional to 7,245.19, 9,998.36 and 4,101.38 is: 5,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.19 : 9,998.36 = 4,101.38 : x
  2. Step 2: Convert to fraction form
    7,245.19/9,998.36 = 4,101.38/x
  3. Step 3: Cross multiply
    7,245.19x = 9,998.36 × 4,101.38
  4. Step 4: Simplify right side
    7,245.19x = 41,007,018.62
  5. Step 5: Solve for x
    x = 41,007,018.62/7,245.19
  6. Step 6: Final answer
    x = 5,659.90

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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.