Home / 1,822.20-2,514.60-1,076.19

Finding the Fourth Proportional to 1,822.20, 2,514.60 and 1,076.19

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Solution

The fourth proportional to 1,822.20, 2,514.60 and 1,076.19 is: 1,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.20 : 2,514.60 = 1,076.19 : x
  2. Step 2: Convert to fraction form
    1,822.20/2,514.60 = 1,076.19/x
  3. Step 3: Cross multiply
    1,822.20x = 2,514.60 × 1,076.19
  4. Step 4: Simplify right side
    1,822.20x = 2,706,187.37
  5. Step 5: Solve for x
    x = 2,706,187.37/1,822.20
  6. Step 6: Final answer
    x = 1,485.12

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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.