Home / 1,922.22-2,652.66-1,126.10

Finding the Fourth Proportional to 1,922.22, 2,652.66 and 1,126.10

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Solution

The fourth proportional to 1,922.22, 2,652.66 and 1,126.10 is: 1,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.22 : 2,652.66 = 1,126.10 : x
  2. Step 2: Convert to fraction form
    1,922.22/2,652.66 = 1,126.10/x
  3. Step 3: Cross multiply
    1,922.22x = 2,652.66 × 1,126.10
  4. Step 4: Simplify right side
    1,922.22x = 2,987,160.43
  5. Step 5: Solve for x
    x = 2,987,160.43/1,922.22
  6. Step 6: Final answer
    x = 1,554.02

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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.