Home / 7,183.96-9,913.82-4,040.18

Finding the Fourth Proportional to 7,183.96, 9,913.82 and 4,040.18

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Solution

The fourth proportional to 7,183.96, 9,913.82 and 4,040.18 is: 5,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.96 : 9,913.82 = 4,040.18 : x
  2. Step 2: Convert to fraction form
    7,183.96/9,913.82 = 4,040.18/x
  3. Step 3: Cross multiply
    7,183.96x = 9,913.82 × 4,040.18
  4. Step 4: Simplify right side
    7,183.96x = 40,053,617.29
  5. Step 5: Solve for x
    x = 40,053,617.29/7,183.96
  6. Step 6: Final answer
    x = 5,575.42

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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.