Home / 5,176.98-7,761.38-2,983.16

Finding the Fourth Proportional to 5,176.98, 7,761.38 and 2,983.16

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Solution

The fourth proportional to 5,176.98, 7,761.38 and 2,983.16 is: 4,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.98 : 7,761.38 = 2,983.16 : x
  2. Step 2: Convert to fraction form
    5,176.98/7,761.38 = 2,983.16/x
  3. Step 3: Cross multiply
    5,176.98x = 7,761.38 × 2,983.16
  4. Step 4: Simplify right side
    5,176.98x = 23,153,438.36
  5. Step 5: Solve for x
    x = 23,153,438.36/5,176.98
  6. Step 6: Final answer
    x = 4,472.38

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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.