Home / 5,166.24-7,129.16-2,927.98

Finding the Fourth Proportional to 5,166.24, 7,129.16 and 2,927.98

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Solution

The fourth proportional to 5,166.24, 7,129.16 and 2,927.98 is: 4,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.24 : 7,129.16 = 2,927.98 : x
  2. Step 2: Convert to fraction form
    5,166.24/7,129.16 = 2,927.98/x
  3. Step 3: Cross multiply
    5,166.24x = 7,129.16 × 2,927.98
  4. Step 4: Simplify right side
    5,166.24x = 20,874,037.90
  5. Step 5: Solve for x
    x = 20,874,037.90/5,166.24
  6. Step 6: Final answer
    x = 4,040.47

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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.