Home / 7,114.82-10,678.68-3,607.27

Finding the Fourth Proportional to 7,114.82, 10,678.68 and 3,607.27

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Solution

The fourth proportional to 7,114.82, 10,678.68 and 3,607.27 is: 5,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.82 : 10,678.68 = 3,607.27 : x
  2. Step 2: Convert to fraction form
    7,114.82/10,678.68 = 3,607.27/x
  3. Step 3: Cross multiply
    7,114.82x = 10,678.68 × 3,607.27
  4. Step 4: Simplify right side
    7,114.82x = 38,520,855.31
  5. Step 5: Solve for x
    x = 38,520,855.31/7,114.82
  6. Step 6: Final answer
    x = 5,414.18

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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.