Home / 8,777.76-13,163.90-2,933

Finding the Fourth Proportional to 8,777.76, 13,163.90 and 2,933

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Solution

The fourth proportional to 8,777.76, 13,163.90 and 2,933 is: 4,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.76 : 13,163.90 = 2,933 : x
  2. Step 2: Convert to fraction form
    8,777.76/13,163.90 = 2,933/x
  3. Step 3: Cross multiply
    8,777.76x = 13,163.90 × 2,933
  4. Step 4: Simplify right side
    8,777.76x = 38,609,718.70
  5. Step 5: Solve for x
    x = 38,609,718.70/8,777.76
  6. Step 6: Final answer
    x = 4,398.58

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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.