Home / 1,933.16-2,668.02-1,186.96

Finding the Fourth Proportional to 1,933.16, 2,668.02 and 1,186.96

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Solution

The fourth proportional to 1,933.16, 2,668.02 and 1,186.96 is: 1,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.16 : 2,668.02 = 1,186.96 : x
  2. Step 2: Convert to fraction form
    1,933.16/2,668.02 = 1,186.96/x
  3. Step 3: Cross multiply
    1,933.16x = 2,668.02 × 1,186.96
  4. Step 4: Simplify right side
    1,933.16x = 3,166,833.02
  5. Step 5: Solve for x
    x = 3,166,833.02/1,933.16
  6. Step 6: Final answer
    x = 1,638.16

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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.