Home / 1,583.11-2,185.28-1,191.27

Finding the Fourth Proportional to 1,583.11, 2,185.28 and 1,191.27

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Solution

The fourth proportional to 1,583.11, 2,185.28 and 1,191.27 is: 1,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.11 : 2,185.28 = 1,191.27 : x
  2. Step 2: Convert to fraction form
    1,583.11/2,185.28 = 1,191.27/x
  3. Step 3: Cross multiply
    1,583.11x = 2,185.28 × 1,191.27
  4. Step 4: Simplify right side
    1,583.11x = 2,603,265.21
  5. Step 5: Solve for x
    x = 2,603,265.21/1,583.11
  6. Step 6: Final answer
    x = 1,644.40

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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.