Home / 4,378.92-6,563.71-2,182.74

Finding the Fourth Proportional to 4,378.92, 6,563.71 and 2,182.74

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Solution

The fourth proportional to 4,378.92, 6,563.71 and 2,182.74 is: 3,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.92 : 6,563.71 = 2,182.74 : x
  2. Step 2: Convert to fraction form
    4,378.92/6,563.71 = 2,182.74/x
  3. Step 3: Cross multiply
    4,378.92x = 6,563.71 × 2,182.74
  4. Step 4: Simplify right side
    4,378.92x = 14,326,872.37
  5. Step 5: Solve for x
    x = 14,326,872.37/4,378.92
  6. Step 6: Final answer
    x = 3,271.78

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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.