Home / 5,042.42-7,555.94-2,119.14

Finding the Fourth Proportional to 5,042.42, 7,555.94 and 2,119.14

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Solution

The fourth proportional to 5,042.42, 7,555.94 and 2,119.14 is: 3,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.42 : 7,555.94 = 2,119.14 : x
  2. Step 2: Convert to fraction form
    5,042.42/7,555.94 = 2,119.14/x
  3. Step 3: Cross multiply
    5,042.42x = 7,555.94 × 2,119.14
  4. Step 4: Simplify right side
    5,042.42x = 16,012,094.69
  5. Step 5: Solve for x
    x = 16,012,094.69/5,042.42
  6. Step 6: Final answer
    x = 3,175.48

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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.