Home / 1,937.63-2,674.26-1,151.66

Finding the Fourth Proportional to 1,937.63, 2,674.26 and 1,151.66

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Solution

The fourth proportional to 1,937.63, 2,674.26 and 1,151.66 is: 1,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.63 : 2,674.26 = 1,151.66 : x
  2. Step 2: Convert to fraction form
    1,937.63/2,674.26 = 1,151.66/x
  3. Step 3: Cross multiply
    1,937.63x = 2,674.26 × 1,151.66
  4. Step 4: Simplify right side
    1,937.63x = 3,079,824.90
  5. Step 5: Solve for x
    x = 3,079,824.90/1,937.63
  6. Step 6: Final answer
    x = 1,589.48

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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.