Home / 4,387.92-6,055.20-2,618.88

Finding the Fourth Proportional to 4,387.92, 6,055.20 and 2,618.88

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Solution

The fourth proportional to 4,387.92, 6,055.20 and 2,618.88 is: 3,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.92 : 6,055.20 = 2,618.88 : x
  2. Step 2: Convert to fraction form
    4,387.92/6,055.20 = 2,618.88/x
  3. Step 3: Cross multiply
    4,387.92x = 6,055.20 × 2,618.88
  4. Step 4: Simplify right side
    4,387.92x = 15,857,842.18
  5. Step 5: Solve for x
    x = 15,857,842.18/4,387.92
  6. Step 6: Final answer
    x = 3,613.98

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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.