Home / 1,922.10-2,652.57-1,082.75

Finding the Fourth Proportional to 1,922.10, 2,652.57 and 1,082.75

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Solution

The fourth proportional to 1,922.10, 2,652.57 and 1,082.75 is: 1,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.10 : 2,652.57 = 1,082.75 : x
  2. Step 2: Convert to fraction form
    1,922.10/2,652.57 = 1,082.75/x
  3. Step 3: Cross multiply
    1,922.10x = 2,652.57 × 1,082.75
  4. Step 4: Simplify right side
    1,922.10x = 2,872,056.90
  5. Step 5: Solve for x
    x = 2,872,056.90/1,922.10
  6. Step 6: Final answer
    x = 1,494.23

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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.