Home / 5,503.78-8,251.56-3,312.01

Finding the Fourth Proportional to 5,503.78, 8,251.56 and 3,312.01

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Solution

The fourth proportional to 5,503.78, 8,251.56 and 3,312.01 is: 4,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.78 : 8,251.56 = 3,312.01 : x
  2. Step 2: Convert to fraction form
    5,503.78/8,251.56 = 3,312.01/x
  3. Step 3: Cross multiply
    5,503.78x = 8,251.56 × 3,312.01
  4. Step 4: Simplify right side
    5,503.78x = 27,329,249.24
  5. Step 5: Solve for x
    x = 27,329,249.24/5,503.78
  6. Step 6: Final answer
    x = 4,965.54

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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.