Home / 5,474.88-7,533.45-5,321.79

Finding the Fourth Proportional to 5,474.88, 7,533.45 and 5,321.79

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Solution

The fourth proportional to 5,474.88, 7,533.45 and 5,321.79 is: 7,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.88 : 7,533.45 = 5,321.79 : x
  2. Step 2: Convert to fraction form
    5,474.88/7,533.45 = 5,321.79/x
  3. Step 3: Cross multiply
    5,474.88x = 7,533.45 × 5,321.79
  4. Step 4: Simplify right side
    5,474.88x = 40,091,438.88
  5. Step 5: Solve for x
    x = 40,091,438.88/5,474.88
  6. Step 6: Final answer
    x = 7,322.80

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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.