Home / 1,934.55-2,670.26-1,189.58

Finding the Fourth Proportional to 1,934.55, 2,670.26 and 1,189.58

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Solution

The fourth proportional to 1,934.55, 2,670.26 and 1,189.58 is: 1,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.55 : 2,670.26 = 1,189.58 : x
  2. Step 2: Convert to fraction form
    1,934.55/2,670.26 = 1,189.58/x
  3. Step 3: Cross multiply
    1,934.55x = 2,670.26 × 1,189.58
  4. Step 4: Simplify right side
    1,934.55x = 3,176,468.59
  5. Step 5: Solve for x
    x = 3,176,468.59/1,934.55
  6. Step 6: Final answer
    x = 1,641.97

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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.