Home / 5,184.80-7,154.78-3,195.54

Finding the Fourth Proportional to 5,184.80, 7,154.78 and 3,195.54

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Solution

The fourth proportional to 5,184.80, 7,154.78 and 3,195.54 is: 4,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.80 : 7,154.78 = 3,195.54 : x
  2. Step 2: Convert to fraction form
    5,184.80/7,154.78 = 3,195.54/x
  3. Step 3: Cross multiply
    5,184.80x = 7,154.78 × 3,195.54
  4. Step 4: Simplify right side
    5,184.80x = 22,863,369.70
  5. Step 5: Solve for x
    x = 22,863,369.70/5,184.80
  6. Step 6: Final answer
    x = 4,409.70

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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.