Home / 7,491.46-11,222.15-3,731.91

Finding the Fourth Proportional to 7,491.46, 11,222.15 and 3,731.91

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Solution

The fourth proportional to 7,491.46, 11,222.15 and 3,731.91 is: 5,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.46 : 11,222.15 = 3,731.91 : x
  2. Step 2: Convert to fraction form
    7,491.46/11,222.15 = 3,731.91/x
  3. Step 3: Cross multiply
    7,491.46x = 11,222.15 × 3,731.91
  4. Step 4: Simplify right side
    7,491.46x = 41,880,053.81
  5. Step 5: Solve for x
    x = 41,880,053.81/7,491.46
  6. Step 6: Final answer
    x = 5,590.37

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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.