Home / 5,738.58-8,607.47-1,789.76

Finding the Fourth Proportional to 5,738.58, 8,607.47 and 1,789.76

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Solution

The fourth proportional to 5,738.58, 8,607.47 and 1,789.76 is: 2,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.58 : 8,607.47 = 1,789.76 : x
  2. Step 2: Convert to fraction form
    5,738.58/8,607.47 = 1,789.76/x
  3. Step 3: Cross multiply
    5,738.58x = 8,607.47 × 1,789.76
  4. Step 4: Simplify right side
    5,738.58x = 15,405,318.08
  5. Step 5: Solve for x
    x = 15,405,318.08/5,738.58
  6. Step 6: Final answer
    x = 2,684.52

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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.