Home / 5,835.24-8,753.58-2,139.21

Finding the Fourth Proportional to 5,835.24, 8,753.58 and 2,139.21

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Solution

The fourth proportional to 5,835.24, 8,753.58 and 2,139.21 is: 3,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,835.24 : 8,753.58 = 2,139.21 : x
  2. Step 2: Convert to fraction form
    5,835.24/8,753.58 = 2,139.21/x
  3. Step 3: Cross multiply
    5,835.24x = 8,753.58 × 2,139.21
  4. Step 4: Simplify right side
    5,835.24x = 18,725,745.87
  5. Step 5: Solve for x
    x = 18,725,745.87/5,835.24
  6. Step 6: Final answer
    x = 3,209.08

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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.