Home / 4,526.28-6,777.90-2,789.64

Finding the Fourth Proportional to 4,526.28, 6,777.90 and 2,789.64

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Solution

The fourth proportional to 4,526.28, 6,777.90 and 2,789.64 is: 4,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.28 : 6,777.90 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    4,526.28/6,777.90 = 2,789.64/x
  3. Step 3: Cross multiply
    4,526.28x = 6,777.90 × 2,789.64
  4. Step 4: Simplify right side
    4,526.28x = 18,907,900.96
  5. Step 5: Solve for x
    x = 18,907,900.96/4,526.28
  6. Step 6: Final answer
    x = 4,177.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.