Home / 1,838.17-2,537.07-1,208.76

Finding the Fourth Proportional to 1,838.17, 2,537.07 and 1,208.76

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Solution

The fourth proportional to 1,838.17, 2,537.07 and 1,208.76 is: 1,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.17 : 2,537.07 = 1,208.76 : x
  2. Step 2: Convert to fraction form
    1,838.17/2,537.07 = 1,208.76/x
  3. Step 3: Cross multiply
    1,838.17x = 2,537.07 × 1,208.76
  4. Step 4: Simplify right side
    1,838.17x = 3,066,702.73
  5. Step 5: Solve for x
    x = 3,066,702.73/1,838.17
  6. Step 6: Final answer
    x = 1,668.35

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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.