Home / 2,133.06-3,199.05-962.40

Finding the Fourth Proportional to 2,133.06, 3,199.05 and 962.40

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Solution

The fourth proportional to 2,133.06, 3,199.05 and 962.40 is: 1,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.06 : 3,199.05 = 962.40 : x
  2. Step 2: Convert to fraction form
    2,133.06/3,199.05 = 962.40/x
  3. Step 3: Cross multiply
    2,133.06x = 3,199.05 × 962.40
  4. Step 4: Simplify right side
    2,133.06x = 3,078,765.72
  5. Step 5: Solve for x
    x = 3,078,765.72/2,133.06
  6. Step 6: Final answer
    x = 1,443.36

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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.