Home / 2,133.33-3,200.60-1,037.40

Finding the Fourth Proportional to 2,133.33, 3,200.60 and 1,037.40

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Solution

The fourth proportional to 2,133.33, 3,200.60 and 1,037.40 is: 1,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.33 : 3,200.60 = 1,037.40 : x
  2. Step 2: Convert to fraction form
    2,133.33/3,200.60 = 1,037.40/x
  3. Step 3: Cross multiply
    2,133.33x = 3,200.60 × 1,037.40
  4. Step 4: Simplify right side
    2,133.33x = 3,320,302.44
  5. Step 5: Solve for x
    x = 3,320,302.44/2,133.33
  6. Step 6: Final answer
    x = 1,556.39

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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.