Home / 5,599.52-8,402.80-2,137.12

Finding the Fourth Proportional to 5,599.52, 8,402.80 and 2,137.12

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Solution

The fourth proportional to 5,599.52, 8,402.80 and 2,137.12 is: 3,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.52 : 8,402.80 = 2,137.12 : x
  2. Step 2: Convert to fraction form
    5,599.52/8,402.80 = 2,137.12/x
  3. Step 3: Cross multiply
    5,599.52x = 8,402.80 × 2,137.12
  4. Step 4: Simplify right side
    5,599.52x = 17,957,791.94
  5. Step 5: Solve for x
    x = 17,957,791.94/5,599.52
  6. Step 6: Final answer
    x = 3,207.02

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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.