Home / 4,051.76-5,591.70-2,480.09

Finding the Fourth Proportional to 4,051.76, 5,591.70 and 2,480.09

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Solution

The fourth proportional to 4,051.76, 5,591.70 and 2,480.09 is: 3,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.76 : 5,591.70 = 2,480.09 : x
  2. Step 2: Convert to fraction form
    4,051.76/5,591.70 = 2,480.09/x
  3. Step 3: Cross multiply
    4,051.76x = 5,591.70 × 2,480.09
  4. Step 4: Simplify right side
    4,051.76x = 13,867,891.29
  5. Step 5: Solve for x
    x = 13,867,891.29/4,051.76
  6. Step 6: Final answer
    x = 3,422.69

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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.