Home / 1,910.55-2,635.08-1,381.42

Finding the Fourth Proportional to 1,910.55, 2,635.08 and 1,381.42

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Solution

The fourth proportional to 1,910.55, 2,635.08 and 1,381.42 is: 1,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.55 : 2,635.08 = 1,381.42 : x
  2. Step 2: Convert to fraction form
    1,910.55/2,635.08 = 1,381.42/x
  3. Step 3: Cross multiply
    1,910.55x = 2,635.08 × 1,381.42
  4. Step 4: Simplify right side
    1,910.55x = 3,640,158.10
  5. Step 5: Solve for x
    x = 3,640,158.10/1,910.55
  6. Step 6: Final answer
    x = 1,905.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.