Home / 1,922.13-2,652.75-1,082.77

Finding the Fourth Proportional to 1,922.13, 2,652.75 and 1,082.77

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Solution

The fourth proportional to 1,922.13, 2,652.75 and 1,082.77 is: 1,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.13 : 2,652.75 = 1,082.77 : x
  2. Step 2: Convert to fraction form
    1,922.13/2,652.75 = 1,082.77/x
  3. Step 3: Cross multiply
    1,922.13x = 2,652.75 × 1,082.77
  4. Step 4: Simplify right side
    1,922.13x = 2,872,311.49
  5. Step 5: Solve for x
    x = 2,872,311.49/1,922.13
  6. Step 6: Final answer
    x = 1,494.34

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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.