Home / 1,933.43-2,668.28-1,177.11

Finding the Fourth Proportional to 1,933.43, 2,668.28 and 1,177.11

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Solution

The fourth proportional to 1,933.43, 2,668.28 and 1,177.11 is: 1,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.43 : 2,668.28 = 1,177.11 : x
  2. Step 2: Convert to fraction form
    1,933.43/2,668.28 = 1,177.11/x
  3. Step 3: Cross multiply
    1,933.43x = 2,668.28 × 1,177.11
  4. Step 4: Simplify right side
    1,933.43x = 3,140,853.19
  5. Step 5: Solve for x
    x = 3,140,853.19/1,933.43
  6. Step 6: Final answer
    x = 1,624.50

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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.