Home / 4,855.48-7,281.68-2,081.41

Finding the Fourth Proportional to 4,855.48, 7,281.68 and 2,081.41

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Solution

The fourth proportional to 4,855.48, 7,281.68 and 2,081.41 is: 3,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.48 : 7,281.68 = 2,081.41 : x
  2. Step 2: Convert to fraction form
    4,855.48/7,281.68 = 2,081.41/x
  3. Step 3: Cross multiply
    4,855.48x = 7,281.68 × 2,081.41
  4. Step 4: Simplify right side
    4,855.48x = 15,156,132.96
  5. Step 5: Solve for x
    x = 15,156,132.96/4,855.48
  6. Step 6: Final answer
    x = 3,121.45

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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.