Home / 5,729.92-8,589.40-2,438.48

Finding the Fourth Proportional to 5,729.92, 8,589.40 and 2,438.48

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Solution

The fourth proportional to 5,729.92, 8,589.40 and 2,438.48 is: 3,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.92 : 8,589.40 = 2,438.48 : x
  2. Step 2: Convert to fraction form
    5,729.92/8,589.40 = 2,438.48/x
  3. Step 3: Cross multiply
    5,729.92x = 8,589.40 × 2,438.48
  4. Step 4: Simplify right side
    5,729.92x = 20,945,080.11
  5. Step 5: Solve for x
    x = 20,945,080.11/5,729.92
  6. Step 6: Final answer
    x = 3,655.39

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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.