Home / 5,116.50-7,674.75-2,038.50

Finding the Fourth Proportional to 5,116.50, 7,674.75 and 2,038.50

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Solution

The fourth proportional to 5,116.50, 7,674.75 and 2,038.50 is: 3,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.50 : 7,674.75 = 2,038.50 : x
  2. Step 2: Convert to fraction form
    5,116.50/7,674.75 = 2,038.50/x
  3. Step 3: Cross multiply
    5,116.50x = 7,674.75 × 2,038.50
  4. Step 4: Simplify right side
    5,116.50x = 15,644,977.88
  5. Step 5: Solve for x
    x = 15,644,977.88/5,116.50
  6. Step 6: Final answer
    x = 3,057.75

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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.