Home / 5,403.87-8,052.84-5,227.70

Finding the Fourth Proportional to 5,403.87, 8,052.84 and 5,227.70

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Solution

The fourth proportional to 5,403.87, 8,052.84 and 5,227.70 is: 7,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.87 : 8,052.84 = 5,227.70 : x
  2. Step 2: Convert to fraction form
    5,403.87/8,052.84 = 5,227.70/x
  3. Step 3: Cross multiply
    5,403.87x = 8,052.84 × 5,227.70
  4. Step 4: Simplify right side
    5,403.87x = 42,097,791.40
  5. Step 5: Solve for x
    x = 42,097,791.40/5,403.87
  6. Step 6: Final answer
    x = 7,790.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.