Home / 5,491.91-8,238.66-1,595.81

Finding the Fourth Proportional to 5,491.91, 8,238.66 and 1,595.81

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Solution

The fourth proportional to 5,491.91, 8,238.66 and 1,595.81 is: 2,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.91 : 8,238.66 = 1,595.81 : x
  2. Step 2: Convert to fraction form
    5,491.91/8,238.66 = 1,595.81/x
  3. Step 3: Cross multiply
    5,491.91x = 8,238.66 × 1,595.81
  4. Step 4: Simplify right side
    5,491.91x = 13,147,294.82
  5. Step 5: Solve for x
    x = 13,147,294.82/5,491.91
  6. Step 6: Final answer
    x = 2,393.94

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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.