Home / 5,119.83-7,065.36-2,996.82

Finding the Fourth Proportional to 5,119.83, 7,065.36 and 2,996.82

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Solution

The fourth proportional to 5,119.83, 7,065.36 and 2,996.82 is: 4,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.83 : 7,065.36 = 2,996.82 : x
  2. Step 2: Convert to fraction form
    5,119.83/7,065.36 = 2,996.82/x
  3. Step 3: Cross multiply
    5,119.83x = 7,065.36 × 2,996.82
  4. Step 4: Simplify right side
    5,119.83x = 21,173,612.16
  5. Step 5: Solve for x
    x = 21,173,612.16/5,119.83
  6. Step 6: Final answer
    x = 4,135.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.