Home / 7,933.44-10,945.78-4,576.20

Finding the Fourth Proportional to 7,933.44, 10,945.78 and 4,576.20

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Solution

The fourth proportional to 7,933.44, 10,945.78 and 4,576.20 is: 6,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.44 : 10,945.78 = 4,576.20 : x
  2. Step 2: Convert to fraction form
    7,933.44/10,945.78 = 4,576.20/x
  3. Step 3: Cross multiply
    7,933.44x = 10,945.78 × 4,576.20
  4. Step 4: Simplify right side
    7,933.44x = 50,090,051.69
  5. Step 5: Solve for x
    x = 50,090,051.69/7,933.44
  6. Step 6: Final answer
    x = 6,313.78

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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.