Home / 2,515.25-3,471.44-2,404.51

Finding the Fourth Proportional to 2,515.25, 3,471.44 and 2,404.51

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Solution

The fourth proportional to 2,515.25, 3,471.44 and 2,404.51 is: 3,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.25 : 3,471.44 = 2,404.51 : x
  2. Step 2: Convert to fraction form
    2,515.25/3,471.44 = 2,404.51/x
  3. Step 3: Cross multiply
    2,515.25x = 3,471.44 × 2,404.51
  4. Step 4: Simplify right side
    2,515.25x = 8,347,091.49
  5. Step 5: Solve for x
    x = 8,347,091.49/2,515.25
  6. Step 6: Final answer
    x = 3,318.59

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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.