Home / 5,199.08-7,179.78-4,448.66

Finding the Fourth Proportional to 5,199.08, 7,179.78 and 4,448.66

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Solution

The fourth proportional to 5,199.08, 7,179.78 and 4,448.66 is: 6,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.08 : 7,179.78 = 4,448.66 : x
  2. Step 2: Convert to fraction form
    5,199.08/7,179.78 = 4,448.66/x
  3. Step 3: Cross multiply
    5,199.08x = 7,179.78 × 4,448.66
  4. Step 4: Simplify right side
    5,199.08x = 31,940,364.20
  5. Step 5: Solve for x
    x = 31,940,364.20/5,199.08
  6. Step 6: Final answer
    x = 6,143.47

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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.