Home / 7,540.81-10,406.01-4,183.77

Finding the Fourth Proportional to 7,540.81, 10,406.01 and 4,183.77

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Solution

The fourth proportional to 7,540.81, 10,406.01 and 4,183.77 is: 5,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.81 : 10,406.01 = 4,183.77 : x
  2. Step 2: Convert to fraction form
    7,540.81/10,406.01 = 4,183.77/x
  3. Step 3: Cross multiply
    7,540.81x = 10,406.01 × 4,183.77
  4. Step 4: Simplify right side
    7,540.81x = 43,536,352.46
  5. Step 5: Solve for x
    x = 43,536,352.46/7,540.81
  6. Step 6: Final answer
    x = 5,773.43

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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.