Home / 5,557.50-7,669.56-3,167.85

Finding the Fourth Proportional to 5,557.50, 7,669.56 and 3,167.85

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Solution

The fourth proportional to 5,557.50, 7,669.56 and 3,167.85 is: 4,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.50 : 7,669.56 = 3,167.85 : x
  2. Step 2: Convert to fraction form
    5,557.50/7,669.56 = 3,167.85/x
  3. Step 3: Cross multiply
    5,557.50x = 7,669.56 × 3,167.85
  4. Step 4: Simplify right side
    5,557.50x = 24,295,993.45
  5. Step 5: Solve for x
    x = 24,295,993.45/5,557.50
  6. Step 6: Final answer
    x = 4,371.75

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1.5x scale

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.