Home / 4,180.11-6,270.75-1,406.16

Finding the Fourth Proportional to 4,180.11, 6,270.75 and 1,406.16

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Solution

The fourth proportional to 4,180.11, 6,270.75 and 1,406.16 is: 2,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.11 : 6,270.75 = 1,406.16 : x
  2. Step 2: Convert to fraction form
    4,180.11/6,270.75 = 1,406.16/x
  3. Step 3: Cross multiply
    4,180.11x = 6,270.75 × 1,406.16
  4. Step 4: Simplify right side
    4,180.11x = 8,817,677.82
  5. Step 5: Solve for x
    x = 8,817,677.82/4,180.11
  6. Step 6: Final answer
    x = 2,109.44

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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.