Home / 5,689.21-8,537.69-3,491.23

Finding the Fourth Proportional to 5,689.21, 8,537.69 and 3,491.23

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Solution

The fourth proportional to 5,689.21, 8,537.69 and 3,491.23 is: 5,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.21 : 8,537.69 = 3,491.23 : x
  2. Step 2: Convert to fraction form
    5,689.21/8,537.69 = 3,491.23/x
  3. Step 3: Cross multiply
    5,689.21x = 8,537.69 × 3,491.23
  4. Step 4: Simplify right side
    5,689.21x = 29,807,022.00
  5. Step 5: Solve for x
    x = 29,807,022.00/5,689.21
  6. Step 6: Final answer
    x = 5,239.22

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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.