Home / 3,491.22-5,237.46-1,543.38

Finding the Fourth Proportional to 3,491.22, 5,237.46 and 1,543.38

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Solution

The fourth proportional to 3,491.22, 5,237.46 and 1,543.38 is: 2,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.22 : 5,237.46 = 1,543.38 : x
  2. Step 2: Convert to fraction form
    3,491.22/5,237.46 = 1,543.38/x
  3. Step 3: Cross multiply
    3,491.22x = 5,237.46 × 1,543.38
  4. Step 4: Simplify right side
    3,491.22x = 8,083,391.01
  5. Step 5: Solve for x
    x = 8,083,391.01/3,491.22
  6. Step 6: Final answer
    x = 2,315.35

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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.