Home / 4,179.62-6,271.78-1,716.17

Finding the Fourth Proportional to 4,179.62, 6,271.78 and 1,716.17

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Solution

The fourth proportional to 4,179.62, 6,271.78 and 1,716.17 is: 2,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.62 : 6,271.78 = 1,716.17 : x
  2. Step 2: Convert to fraction form
    4,179.62/6,271.78 = 1,716.17/x
  3. Step 3: Cross multiply
    4,179.62x = 6,271.78 × 1,716.17
  4. Step 4: Simplify right side
    4,179.62x = 10,763,409.32
  5. Step 5: Solve for x
    x = 10,763,409.32/4,179.62
  6. Step 6: Final answer
    x = 2,575.22

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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.