Home / 7,723.92-11,582.43-2,457.95

Finding the Fourth Proportional to 7,723.92, 11,582.43 and 2,457.95

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Solution

The fourth proportional to 7,723.92, 11,582.43 and 2,457.95 is: 3,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.92 : 11,582.43 = 2,457.95 : x
  2. Step 2: Convert to fraction form
    7,723.92/11,582.43 = 2,457.95/x
  3. Step 3: Cross multiply
    7,723.92x = 11,582.43 × 2,457.95
  4. Step 4: Simplify right side
    7,723.92x = 28,468,975.91
  5. Step 5: Solve for x
    x = 28,468,975.91/7,723.92
  6. Step 6: Final answer
    x = 3,685.82

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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.