Home / 1,852.87-2,556.94-1,013.57

Finding the Fourth Proportional to 1,852.87, 2,556.94 and 1,013.57

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Solution

The fourth proportional to 1,852.87, 2,556.94 and 1,013.57 is: 1,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.87 : 2,556.94 = 1,013.57 : x
  2. Step 2: Convert to fraction form
    1,852.87/2,556.94 = 1,013.57/x
  3. Step 3: Cross multiply
    1,852.87x = 2,556.94 × 1,013.57
  4. Step 4: Simplify right side
    1,852.87x = 2,591,637.68
  5. Step 5: Solve for x
    x = 2,591,637.68/1,852.87
  6. Step 6: Final answer
    x = 1,398.72

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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.