Home / 5,239.99-7,857.55-3,049.35

Finding the Fourth Proportional to 5,239.99, 7,857.55 and 3,049.35

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Solution

The fourth proportional to 5,239.99, 7,857.55 and 3,049.35 is: 4,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.99 : 7,857.55 = 3,049.35 : x
  2. Step 2: Convert to fraction form
    5,239.99/7,857.55 = 3,049.35/x
  3. Step 3: Cross multiply
    5,239.99x = 7,857.55 × 3,049.35
  4. Step 4: Simplify right side
    5,239.99x = 23,960,420.09
  5. Step 5: Solve for x
    x = 23,960,420.09/5,239.99
  6. Step 6: Final answer
    x = 4,572.61

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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.