Home / 5,679.60-8,527.58-4,121.37

Finding the Fourth Proportional to 5,679.60, 8,527.58 and 4,121.37

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Solution

The fourth proportional to 5,679.60, 8,527.58 and 4,121.37 is: 6,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.60 : 8,527.58 = 4,121.37 : x
  2. Step 2: Convert to fraction form
    5,679.60/8,527.58 = 4,121.37/x
  3. Step 3: Cross multiply
    5,679.60x = 8,527.58 × 4,121.37
  4. Step 4: Simplify right side
    5,679.60x = 35,145,291.78
  5. Step 5: Solve for x
    x = 35,145,291.78/5,679.60
  6. Step 6: Final answer
    x = 6,187.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.