Home / 1,922.09-2,652.16-1,082.69

Finding the Fourth Proportional to 1,922.09, 2,652.16 and 1,082.69

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Solution

The fourth proportional to 1,922.09, 2,652.16 and 1,082.69 is: 1,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.09 : 2,652.16 = 1,082.69 : x
  2. Step 2: Convert to fraction form
    1,922.09/2,652.16 = 1,082.69/x
  3. Step 3: Cross multiply
    1,922.09x = 2,652.16 × 1,082.69
  4. Step 4: Simplify right side
    1,922.09x = 2,871,467.11
  5. Step 5: Solve for x
    x = 2,871,467.11/1,922.09
  6. Step 6: Final answer
    x = 1,493.93

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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.