Home / 3,613.51-5,415.82-2,054.82

Finding the Fourth Proportional to 3,613.51, 5,415.82 and 2,054.82

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Solution

The fourth proportional to 3,613.51, 5,415.82 and 2,054.82 is: 3,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.51 : 5,415.82 = 2,054.82 : x
  2. Step 2: Convert to fraction form
    3,613.51/5,415.82 = 2,054.82/x
  3. Step 3: Cross multiply
    3,613.51x = 5,415.82 × 2,054.82
  4. Step 4: Simplify right side
    3,613.51x = 11,128,535.25
  5. Step 5: Solve for x
    x = 11,128,535.25/3,613.51
  6. Step 6: Final answer
    x = 3,079.70

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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.