Home / 5,817.76-8,031.36-3,964.48

Finding the Fourth Proportional to 5,817.76, 8,031.36 and 3,964.48

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Solution

The fourth proportional to 5,817.76, 8,031.36 and 3,964.48 is: 5,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.76 : 8,031.36 = 3,964.48 : x
  2. Step 2: Convert to fraction form
    5,817.76/8,031.36 = 3,964.48/x
  3. Step 3: Cross multiply
    5,817.76x = 8,031.36 × 3,964.48
  4. Step 4: Simplify right side
    5,817.76x = 31,840,166.09
  5. Step 5: Solve for x
    x = 31,840,166.09/5,817.76
  6. Step 6: Final answer
    x = 5,472.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.