Home / 1,853.06-2,556.30-1,180.69

Finding the Fourth Proportional to 1,853.06, 2,556.30 and 1,180.69

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Solution

The fourth proportional to 1,853.06, 2,556.30 and 1,180.69 is: 1,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.06 : 2,556.30 = 1,180.69 : x
  2. Step 2: Convert to fraction form
    1,853.06/2,556.30 = 1,180.69/x
  3. Step 3: Cross multiply
    1,853.06x = 2,556.30 × 1,180.69
  4. Step 4: Simplify right side
    1,853.06x = 3,018,197.85
  5. Step 5: Solve for x
    x = 3,018,197.85/1,853.06
  6. Step 6: Final answer
    x = 1,628.77

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1.5x scale

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.