Home / 7,541.28-10,405.71-4,183.56

Finding the Fourth Proportional to 7,541.28, 10,405.71 and 4,183.56

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Solution

The fourth proportional to 7,541.28, 10,405.71 and 4,183.56 is: 5,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.28 : 10,405.71 = 4,183.56 : x
  2. Step 2: Convert to fraction form
    7,541.28/10,405.71 = 4,183.56/x
  3. Step 3: Cross multiply
    7,541.28x = 10,405.71 × 4,183.56
  4. Step 4: Simplify right side
    7,541.28x = 43,532,912.13
  5. Step 5: Solve for x
    x = 43,532,912.13/7,541.28
  6. Step 6: Final answer
    x = 5,772.62

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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.