Home / 5,750.18-8,623.28-2,786.90

Finding the Fourth Proportional to 5,750.18, 8,623.28 and 2,786.90

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Solution

The fourth proportional to 5,750.18, 8,623.28 and 2,786.90 is: 4,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.18 : 8,623.28 = 2,786.90 : x
  2. Step 2: Convert to fraction form
    5,750.18/8,623.28 = 2,786.90/x
  3. Step 3: Cross multiply
    5,750.18x = 8,623.28 × 2,786.90
  4. Step 4: Simplify right side
    5,750.18x = 24,032,161.98
  5. Step 5: Solve for x
    x = 24,032,161.98/5,750.18
  6. Step 6: Final answer
    x = 4,179.38

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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.