Home / 5,921.27-8,881.91-1,538.69

Finding the Fourth Proportional to 5,921.27, 8,881.91 and 1,538.69

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Solution

The fourth proportional to 5,921.27, 8,881.91 and 1,538.69 is: 2,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.27 : 8,881.91 = 1,538.69 : x
  2. Step 2: Convert to fraction form
    5,921.27/8,881.91 = 1,538.69/x
  3. Step 3: Cross multiply
    5,921.27x = 8,881.91 × 1,538.69
  4. Step 4: Simplify right side
    5,921.27x = 13,666,453.99
  5. Step 5: Solve for x
    x = 13,666,453.99/5,921.27
  6. Step 6: Final answer
    x = 2,308.03

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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.