Home / 4,885.20-7,308.84-4,331.04

Finding the Fourth Proportional to 4,885.20, 7,308.84 and 4,331.04

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Solution

The fourth proportional to 4,885.20, 7,308.84 and 4,331.04 is: 6,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.20 : 7,308.84 = 4,331.04 : x
  2. Step 2: Convert to fraction form
    4,885.20/7,308.84 = 4,331.04/x
  3. Step 3: Cross multiply
    4,885.20x = 7,308.84 × 4,331.04
  4. Step 4: Simplify right side
    4,885.20x = 31,654,878.39
  5. Step 5: Solve for x
    x = 31,654,878.39/4,885.20
  6. Step 6: Final answer
    x = 6,479.75

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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.