Home / 1,922.14-2,652.28-1,082.80

Finding the Fourth Proportional to 1,922.14, 2,652.28 and 1,082.80

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Solution

The fourth proportional to 1,922.14, 2,652.28 and 1,082.80 is: 1,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.14 : 2,652.28 = 1,082.80 : x
  2. Step 2: Convert to fraction form
    1,922.14/2,652.28 = 1,082.80/x
  3. Step 3: Cross multiply
    1,922.14x = 2,652.28 × 1,082.80
  4. Step 4: Simplify right side
    1,922.14x = 2,871,888.78
  5. Step 5: Solve for x
    x = 2,871,888.78/1,922.14
  6. Step 6: Final answer
    x = 1,494.11

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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.