Home / 1,937.67-2,673.66-1,276.11

Finding the Fourth Proportional to 1,937.67, 2,673.66 and 1,276.11

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Solution

The fourth proportional to 1,937.67, 2,673.66 and 1,276.11 is: 1,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.67 : 2,673.66 = 1,276.11 : x
  2. Step 2: Convert to fraction form
    1,937.67/2,673.66 = 1,276.11/x
  3. Step 3: Cross multiply
    1,937.67x = 2,673.66 × 1,276.11
  4. Step 4: Simplify right side
    1,937.67x = 3,411,884.26
  5. Step 5: Solve for x
    x = 3,411,884.26/1,937.67
  6. Step 6: Final answer
    x = 1,760.82

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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.