Home / 5,222.87-7,207.55-2,865

Finding the Fourth Proportional to 5,222.87, 7,207.55 and 2,865

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Solution

The fourth proportional to 5,222.87, 7,207.55 and 2,865 is: 3,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.87 : 7,207.55 = 2,865 : x
  2. Step 2: Convert to fraction form
    5,222.87/7,207.55 = 2,865/x
  3. Step 3: Cross multiply
    5,222.87x = 7,207.55 × 2,865
  4. Step 4: Simplify right side
    5,222.87x = 20,649,616.43
  5. Step 5: Solve for x
    x = 20,649,616.43/5,222.87
  6. Step 6: Final answer
    x = 3,953.70

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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.