Home / 1,933.88-2,670.39-1,559.66

Finding the Fourth Proportional to 1,933.88, 2,670.39 and 1,559.66

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Solution

The fourth proportional to 1,933.88, 2,670.39 and 1,559.66 is: 2,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.88 : 2,670.39 = 1,559.66 : x
  2. Step 2: Convert to fraction form
    1,933.88/2,670.39 = 1,559.66/x
  3. Step 3: Cross multiply
    1,933.88x = 2,670.39 × 1,559.66
  4. Step 4: Simplify right side
    1,933.88x = 4,164,907.14
  5. Step 5: Solve for x
    x = 4,164,907.14/1,933.88
  6. Step 6: Final answer
    x = 2,153.65

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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.