Home / 7,540.84-10,406.37-4,183.57

Finding the Fourth Proportional to 7,540.84, 10,406.37 and 4,183.57

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Solution

The fourth proportional to 7,540.84, 10,406.37 and 4,183.57 is: 5,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.84 : 10,406.37 = 4,183.57 : x
  2. Step 2: Convert to fraction form
    7,540.84/10,406.37 = 4,183.57/x
  3. Step 3: Cross multiply
    7,540.84x = 10,406.37 × 4,183.57
  4. Step 4: Simplify right side
    7,540.84x = 43,535,777.34
  5. Step 5: Solve for x
    x = 43,535,777.34/7,540.84
  6. Step 6: Final answer
    x = 5,773.33

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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.