Home / 7,490.87-11,243.21-3,795.67

Finding the Fourth Proportional to 7,490.87, 11,243.21 and 3,795.67

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Solution

The fourth proportional to 7,490.87, 11,243.21 and 3,795.67 is: 5,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.87 : 11,243.21 = 3,795.67 : x
  2. Step 2: Convert to fraction form
    7,490.87/11,243.21 = 3,795.67/x
  3. Step 3: Cross multiply
    7,490.87x = 11,243.21 × 3,795.67
  4. Step 4: Simplify right side
    7,490.87x = 42,675,514.90
  5. Step 5: Solve for x
    x = 42,675,514.90/7,490.87
  6. Step 6: Final answer
    x = 5,697.00

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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.