Home / 4,178.16-6,263.07-2,091.79

Finding the Fourth Proportional to 4,178.16, 6,263.07 and 2,091.79

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Solution

The fourth proportional to 4,178.16, 6,263.07 and 2,091.79 is: 3,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.16 : 6,263.07 = 2,091.79 : x
  2. Step 2: Convert to fraction form
    4,178.16/6,263.07 = 2,091.79/x
  3. Step 3: Cross multiply
    4,178.16x = 6,263.07 × 2,091.79
  4. Step 4: Simplify right side
    4,178.16x = 13,101,027.20
  5. Step 5: Solve for x
    x = 13,101,027.20/4,178.16
  6. Step 6: Final answer
    x = 3,135.60

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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.