Home / 1,814.03-2,720.66-581.11

Finding the Fourth Proportional to 1,814.03, 2,720.66 and 581.11

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Solution

The fourth proportional to 1,814.03, 2,720.66 and 581.11 is: 871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.03 : 2,720.66 = 581.11 : x
  2. Step 2: Convert to fraction form
    1,814.03/2,720.66 = 581.11/x
  3. Step 3: Cross multiply
    1,814.03x = 2,720.66 × 581.11
  4. Step 4: Simplify right side
    1,814.03x = 1,581,002.73
  5. Step 5: Solve for x
    x = 1,581,002.73/1,814.03
  6. Step 6: Final answer
    x = 871.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.