Home / 1,849.85-2,553.14-1,187.54

Finding the Fourth Proportional to 1,849.85, 2,553.14 and 1,187.54

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Solution

The fourth proportional to 1,849.85, 2,553.14 and 1,187.54 is: 1,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.85 : 2,553.14 = 1,187.54 : x
  2. Step 2: Convert to fraction form
    1,849.85/2,553.14 = 1,187.54/x
  3. Step 3: Cross multiply
    1,849.85x = 2,553.14 × 1,187.54
  4. Step 4: Simplify right side
    1,849.85x = 3,031,946.08
  5. Step 5: Solve for x
    x = 3,031,946.08/1,849.85
  6. Step 6: Final answer
    x = 1,639.03

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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.