Home / 1,932.01-2,667.36-1,489.06

Finding the Fourth Proportional to 1,932.01, 2,667.36 and 1,489.06

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Solution

The fourth proportional to 1,932.01, 2,667.36 and 1,489.06 is: 2,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.01 : 2,667.36 = 1,489.06 : x
  2. Step 2: Convert to fraction form
    1,932.01/2,667.36 = 1,489.06/x
  3. Step 3: Cross multiply
    1,932.01x = 2,667.36 × 1,489.06
  4. Step 4: Simplify right side
    1,932.01x = 3,971,859.08
  5. Step 5: Solve for x
    x = 3,971,859.08/1,932.01
  6. Step 6: Final answer
    x = 2,055.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.