Home / 7,723.99-11,581.58-2,457.98

Finding the Fourth Proportional to 7,723.99, 11,581.58 and 2,457.98

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Solution

The fourth proportional to 7,723.99, 11,581.58 and 2,457.98 is: 3,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.99 : 11,581.58 = 2,457.98 : x
  2. Step 2: Convert to fraction form
    7,723.99/11,581.58 = 2,457.98/x
  3. Step 3: Cross multiply
    7,723.99x = 11,581.58 × 2,457.98
  4. Step 4: Simplify right side
    7,723.99x = 28,467,283.68
  5. Step 5: Solve for x
    x = 28,467,283.68/7,723.99
  6. Step 6: Final answer
    x = 3,685.57

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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.