Home / 5,286.51-7,302.83-4,892.85

Finding the Fourth Proportional to 5,286.51, 7,302.83 and 4,892.85

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Solution

The fourth proportional to 5,286.51, 7,302.83 and 4,892.85 is: 6,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.51 : 7,302.83 = 4,892.85 : x
  2. Step 2: Convert to fraction form
    5,286.51/7,302.83 = 4,892.85/x
  3. Step 3: Cross multiply
    5,286.51x = 7,302.83 × 4,892.85
  4. Step 4: Simplify right side
    5,286.51x = 35,731,627.30
  5. Step 5: Solve for x
    x = 35,731,627.30/5,286.51
  6. Step 6: Final answer
    x = 6,759.02

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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.