Home / 5,903.72-8,147.13-3,251.12

Finding the Fourth Proportional to 5,903.72, 8,147.13 and 3,251.12

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Solution

The fourth proportional to 5,903.72, 8,147.13 and 3,251.12 is: 4,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.72 : 8,147.13 = 3,251.12 : x
  2. Step 2: Convert to fraction form
    5,903.72/8,147.13 = 3,251.12/x
  3. Step 3: Cross multiply
    5,903.72x = 8,147.13 × 3,251.12
  4. Step 4: Simplify right side
    5,903.72x = 26,487,329.85
  5. Step 5: Solve for x
    x = 26,487,329.85/5,903.72
  6. Step 6: Final answer
    x = 4,486.55

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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.