Home / 4,215.69-5,816.94-2,447.25

Finding the Fourth Proportional to 4,215.69, 5,816.94 and 2,447.25

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Solution

The fourth proportional to 4,215.69, 5,816.94 and 2,447.25 is: 3,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.69 : 5,816.94 = 2,447.25 : x
  2. Step 2: Convert to fraction form
    4,215.69/5,816.94 = 2,447.25/x
  3. Step 3: Cross multiply
    4,215.69x = 5,816.94 × 2,447.25
  4. Step 4: Simplify right side
    4,215.69x = 14,235,506.42
  5. Step 5: Solve for x
    x = 14,235,506.42/4,215.69
  6. Step 6: Final answer
    x = 3,376.79

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Half scale
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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.