Home / 4,251.14-6,376.54-1,478.44

Finding the Fourth Proportional to 4,251.14, 6,376.54 and 1,478.44

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Solution

The fourth proportional to 4,251.14, 6,376.54 and 1,478.44 is: 2,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.14 : 6,376.54 = 1,478.44 : x
  2. Step 2: Convert to fraction form
    4,251.14/6,376.54 = 1,478.44/x
  3. Step 3: Cross multiply
    4,251.14x = 6,376.54 × 1,478.44
  4. Step 4: Simplify right side
    4,251.14x = 9,427,324.41
  5. Step 5: Solve for x
    x = 9,427,324.41/4,251.14
  6. Step 6: Final answer
    x = 2,217.60

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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.