Home / 5,450.84-7,525.76-4,189.60

Finding the Fourth Proportional to 5,450.84, 7,525.76 and 4,189.60

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Solution

The fourth proportional to 5,450.84, 7,525.76 and 4,189.60 is: 5,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.84 : 7,525.76 = 4,189.60 : x
  2. Step 2: Convert to fraction form
    5,450.84/7,525.76 = 4,189.60/x
  3. Step 3: Cross multiply
    5,450.84x = 7,525.76 × 4,189.60
  4. Step 4: Simplify right side
    5,450.84x = 31,529,924.10
  5. Step 5: Solve for x
    x = 31,529,924.10/5,450.84
  6. Step 6: Final answer
    x = 5,784.42

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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.