Home / 1,852.85-2,556.79-1,013.51

Finding the Fourth Proportional to 1,852.85, 2,556.79 and 1,013.51

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Solution

The fourth proportional to 1,852.85, 2,556.79 and 1,013.51 is: 1,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.85 : 2,556.79 = 1,013.51 : x
  2. Step 2: Convert to fraction form
    1,852.85/2,556.79 = 1,013.51/x
  3. Step 3: Cross multiply
    1,852.85x = 2,556.79 × 1,013.51
  4. Step 4: Simplify right side
    1,852.85x = 2,591,316.92
  5. Step 5: Solve for x
    x = 2,591,316.92/1,852.85
  6. Step 6: Final answer
    x = 1,398.56

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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.