Home / 1,933.88-2,900.37-547.34

Finding the Fourth Proportional to 1,933.88, 2,900.37 and 547.34

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Solution

The fourth proportional to 1,933.88, 2,900.37 and 547.34 is: 820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.88 : 2,900.37 = 547.34 : x
  2. Step 2: Convert to fraction form
    1,933.88/2,900.37 = 547.34/x
  3. Step 3: Cross multiply
    1,933.88x = 2,900.37 × 547.34
  4. Step 4: Simplify right side
    1,933.88x = 1,587,476.07
  5. Step 5: Solve for x
    x = 1,587,476.07/1,933.88
  6. Step 6: Final answer
    x = 820.88

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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.