Home / 2,320.81-3,482.73-2,133.09

Finding the Fourth Proportional to 2,320.81, 3,482.73 and 2,133.09

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Solution

The fourth proportional to 2,320.81, 3,482.73 and 2,133.09 is: 3,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.81 : 3,482.73 = 2,133.09 : x
  2. Step 2: Convert to fraction form
    2,320.81/3,482.73 = 2,133.09/x
  3. Step 3: Cross multiply
    2,320.81x = 3,482.73 × 2,133.09
  4. Step 4: Simplify right side
    2,320.81x = 7,428,976.54
  5. Step 5: Solve for x
    x = 7,428,976.54/2,320.81
  6. Step 6: Final answer
    x = 3,201.03

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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.