Home / 7,176.48-10,761.88-2,495.20

Finding the Fourth Proportional to 7,176.48, 10,761.88 and 2,495.20

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Solution

The fourth proportional to 7,176.48, 10,761.88 and 2,495.20 is: 3,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.48 : 10,761.88 = 2,495.20 : x
  2. Step 2: Convert to fraction form
    7,176.48/10,761.88 = 2,495.20/x
  3. Step 3: Cross multiply
    7,176.48x = 10,761.88 × 2,495.20
  4. Step 4: Simplify right side
    7,176.48x = 26,853,042.98
  5. Step 5: Solve for x
    x = 26,853,042.98/7,176.48
  6. Step 6: Final answer
    x = 3,741.81

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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.