Home / 4,623.68-6,380.88-2,853.92

Finding the Fourth Proportional to 4,623.68, 6,380.88 and 2,853.92

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Solution

The fourth proportional to 4,623.68, 6,380.88 and 2,853.92 is: 3,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.68 : 6,380.88 = 2,853.92 : x
  2. Step 2: Convert to fraction form
    4,623.68/6,380.88 = 2,853.92/x
  3. Step 3: Cross multiply
    4,623.68x = 6,380.88 × 2,853.92
  4. Step 4: Simplify right side
    4,623.68x = 18,210,521.05
  5. Step 5: Solve for x
    x = 18,210,521.05/4,623.68
  6. Step 6: Final answer
    x = 3,938.53

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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.