Home / 5,211.96-7,193.52-3,087.96

Finding the Fourth Proportional to 5,211.96, 7,193.52 and 3,087.96

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Solution

The fourth proportional to 5,211.96, 7,193.52 and 3,087.96 is: 4,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.96 : 7,193.52 = 3,087.96 : x
  2. Step 2: Convert to fraction form
    5,211.96/7,193.52 = 3,087.96/x
  3. Step 3: Cross multiply
    5,211.96x = 7,193.52 × 3,087.96
  4. Step 4: Simplify right side
    5,211.96x = 22,213,302.02
  5. Step 5: Solve for x
    x = 22,213,302.02/5,211.96
  6. Step 6: Final answer
    x = 4,261.99

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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.