Home / 4,119.34-6,178.36-1,346.02

Finding the Fourth Proportional to 4,119.34, 6,178.36 and 1,346.02

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Solution

The fourth proportional to 4,119.34, 6,178.36 and 1,346.02 is: 2,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.34 : 6,178.36 = 1,346.02 : x
  2. Step 2: Convert to fraction form
    4,119.34/6,178.36 = 1,346.02/x
  3. Step 3: Cross multiply
    4,119.34x = 6,178.36 × 1,346.02
  4. Step 4: Simplify right side
    4,119.34x = 8,316,179.84
  5. Step 5: Solve for x
    x = 8,316,179.84/4,119.34
  6. Step 6: Final answer
    x = 2,018.81

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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.