Home / 7,723.43-11,580.74-2,457.42

Finding the Fourth Proportional to 7,723.43, 11,580.74 and 2,457.42

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Solution

The fourth proportional to 7,723.43, 11,580.74 and 2,457.42 is: 3,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.43 : 11,580.74 = 2,457.42 : x
  2. Step 2: Convert to fraction form
    7,723.43/11,580.74 = 2,457.42/x
  3. Step 3: Cross multiply
    7,723.43x = 11,580.74 × 2,457.42
  4. Step 4: Simplify right side
    7,723.43x = 28,458,695.59
  5. Step 5: Solve for x
    x = 28,458,695.59/7,723.43
  6. Step 6: Final answer
    x = 3,684.72

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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.