Home / 1,838.54-2,537.59-1,209.13

Finding the Fourth Proportional to 1,838.54, 2,537.59 and 1,209.13

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Solution

The fourth proportional to 1,838.54, 2,537.59 and 1,209.13 is: 1,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.54 : 2,537.59 = 1,209.13 : x
  2. Step 2: Convert to fraction form
    1,838.54/2,537.59 = 1,209.13/x
  3. Step 3: Cross multiply
    1,838.54x = 2,537.59 × 1,209.13
  4. Step 4: Simplify right side
    1,838.54x = 3,068,280.88
  5. Step 5: Solve for x
    x = 3,068,280.88/1,838.54
  6. Step 6: Final answer
    x = 1,668.87

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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.