Home / 4,924.80-7,387.20-2,455.92

Finding the Fourth Proportional to 4,924.80, 7,387.20 and 2,455.92

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Solution

The fourth proportional to 4,924.80, 7,387.20 and 2,455.92 is: 3,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.80 : 7,387.20 = 2,455.92 : x
  2. Step 2: Convert to fraction form
    4,924.80/7,387.20 = 2,455.92/x
  3. Step 3: Cross multiply
    4,924.80x = 7,387.20 × 2,455.92
  4. Step 4: Simplify right side
    4,924.80x = 18,142,372.22
  5. Step 5: Solve for x
    x = 18,142,372.22/4,924.80
  6. Step 6: Final answer
    x = 3,683.88

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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.