Home / 4,185.49-5,778.18-2,927.61

Finding the Fourth Proportional to 4,185.49, 5,778.18 and 2,927.61

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Solution

The fourth proportional to 4,185.49, 5,778.18 and 2,927.61 is: 4,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.49 : 5,778.18 = 2,927.61 : x
  2. Step 2: Convert to fraction form
    4,185.49/5,778.18 = 2,927.61/x
  3. Step 3: Cross multiply
    4,185.49x = 5,778.18 × 2,927.61
  4. Step 4: Simplify right side
    4,185.49x = 16,916,257.55
  5. Step 5: Solve for x
    x = 16,916,257.55/4,185.49
  6. Step 6: Final answer
    x = 4,041.64

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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.