Home / 3,613.01-5,415.07-2,054.32

Finding the Fourth Proportional to 3,613.01, 5,415.07 and 2,054.32

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Solution

The fourth proportional to 3,613.01, 5,415.07 and 2,054.32 is: 3,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.01 : 5,415.07 = 2,054.32 : x
  2. Step 2: Convert to fraction form
    3,613.01/5,415.07 = 2,054.32/x
  3. Step 3: Cross multiply
    3,613.01x = 5,415.07 × 2,054.32
  4. Step 4: Simplify right side
    3,613.01x = 11,124,286.60
  5. Step 5: Solve for x
    x = 11,124,286.60/3,613.01
  6. Step 6: Final answer
    x = 3,078.95

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1.5x scale

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.