Home / 4,272.85-6,409.28-2,328.85

Finding the Fourth Proportional to 4,272.85, 6,409.28 and 2,328.85

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Solution

The fourth proportional to 4,272.85, 6,409.28 and 2,328.85 is: 3,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.85 : 6,409.28 = 2,328.85 : x
  2. Step 2: Convert to fraction form
    4,272.85/6,409.28 = 2,328.85/x
  3. Step 3: Cross multiply
    4,272.85x = 6,409.28 × 2,328.85
  4. Step 4: Simplify right side
    4,272.85x = 14,926,240.08
  5. Step 5: Solve for x
    x = 14,926,240.08/4,272.85
  6. Step 6: Final answer
    x = 3,493.28

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Similar ratio
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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.