Home / 5,474.28-8,212.50-1,775.82

Finding the Fourth Proportional to 5,474.28, 8,212.50 and 1,775.82

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Solution

The fourth proportional to 5,474.28, 8,212.50 and 1,775.82 is: 2,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.28 : 8,212.50 = 1,775.82 : x
  2. Step 2: Convert to fraction form
    5,474.28/8,212.50 = 1,775.82/x
  3. Step 3: Cross multiply
    5,474.28x = 8,212.50 × 1,775.82
  4. Step 4: Simplify right side
    5,474.28x = 14,583,921.75
  5. Step 5: Solve for x
    x = 14,583,921.75/5,474.28
  6. Step 6: Final answer
    x = 2,664.08

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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.