Home / 1,926.48-2,889.36-1,200.54

Finding the Fourth Proportional to 1,926.48, 2,889.36 and 1,200.54

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Solution

The fourth proportional to 1,926.48, 2,889.36 and 1,200.54 is: 1,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.48 : 2,889.36 = 1,200.54 : x
  2. Step 2: Convert to fraction form
    1,926.48/2,889.36 = 1,200.54/x
  3. Step 3: Cross multiply
    1,926.48x = 2,889.36 × 1,200.54
  4. Step 4: Simplify right side
    1,926.48x = 3,468,792.25
  5. Step 5: Solve for x
    x = 3,468,792.25/1,926.48
  6. Step 6: Final answer
    x = 1,800.59

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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.