Home / 5,158.87-7,119.12-3,033.98

Finding the Fourth Proportional to 5,158.87, 7,119.12 and 3,033.98

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Solution

The fourth proportional to 5,158.87, 7,119.12 and 3,033.98 is: 4,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.87 : 7,119.12 = 3,033.98 : x
  2. Step 2: Convert to fraction form
    5,158.87/7,119.12 = 3,033.98/x
  3. Step 3: Cross multiply
    5,158.87x = 7,119.12 × 3,033.98
  4. Step 4: Simplify right side
    5,158.87x = 21,599,274.12
  5. Step 5: Solve for x
    x = 21,599,274.12/5,158.87
  6. Step 6: Final answer
    x = 4,186.82

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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.