Home / 5,072.68-7,607.58-1,609.84

Finding the Fourth Proportional to 5,072.68, 7,607.58 and 1,609.84

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Solution

The fourth proportional to 5,072.68, 7,607.58 and 1,609.84 is: 2,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.68 : 7,607.58 = 1,609.84 : x
  2. Step 2: Convert to fraction form
    5,072.68/7,607.58 = 1,609.84/x
  3. Step 3: Cross multiply
    5,072.68x = 7,607.58 × 1,609.84
  4. Step 4: Simplify right side
    5,072.68x = 12,246,986.59
  5. Step 5: Solve for x
    x = 12,246,986.59/5,072.68
  6. Step 6: Final answer
    x = 2,414.30

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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.