Home / 5,474.87-7,557.74-3,994.09

Finding the Fourth Proportional to 5,474.87, 7,557.74 and 3,994.09

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Solution

The fourth proportional to 5,474.87, 7,557.74 and 3,994.09 is: 5,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.87 : 7,557.74 = 3,994.09 : x
  2. Step 2: Convert to fraction form
    5,474.87/7,557.74 = 3,994.09/x
  3. Step 3: Cross multiply
    5,474.87x = 7,557.74 × 3,994.09
  4. Step 4: Simplify right side
    5,474.87x = 30,186,236.00
  5. Step 5: Solve for x
    x = 30,186,236.00/5,474.87
  6. Step 6: Final answer
    x = 5,513.60

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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.