Home / 1,789.55-2,682.25-1,059.74

Finding the Fourth Proportional to 1,789.55, 2,682.25 and 1,059.74

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Solution

The fourth proportional to 1,789.55, 2,682.25 and 1,059.74 is: 1,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.55 : 2,682.25 = 1,059.74 : x
  2. Step 2: Convert to fraction form
    1,789.55/2,682.25 = 1,059.74/x
  3. Step 3: Cross multiply
    1,789.55x = 2,682.25 × 1,059.74
  4. Step 4: Simplify right side
    1,789.55x = 2,842,487.62
  5. Step 5: Solve for x
    x = 2,842,487.62/1,789.55
  6. Step 6: Final answer
    x = 1,588.38

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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.