Home / 7,457.26-11,176.32-3,077.79

Finding the Fourth Proportional to 7,457.26, 11,176.32 and 3,077.79

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Solution

The fourth proportional to 7,457.26, 11,176.32 and 3,077.79 is: 4,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.26 : 11,176.32 = 3,077.79 : x
  2. Step 2: Convert to fraction form
    7,457.26/11,176.32 = 3,077.79/x
  3. Step 3: Cross multiply
    7,457.26x = 11,176.32 × 3,077.79
  4. Step 4: Simplify right side
    7,457.26x = 34,398,365.93
  5. Step 5: Solve for x
    x = 34,398,365.93/7,457.26
  6. Step 6: Final answer
    x = 4,612.74

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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.