Home / 3,415.06-4,713.29-2,712.49

Finding the Fourth Proportional to 3,415.06, 4,713.29 and 2,712.49

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Solution

The fourth proportional to 3,415.06, 4,713.29 and 2,712.49 is: 3,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.06 : 4,713.29 = 2,712.49 : x
  2. Step 2: Convert to fraction form
    3,415.06/4,713.29 = 2,712.49/x
  3. Step 3: Cross multiply
    3,415.06x = 4,713.29 × 2,712.49
  4. Step 4: Simplify right side
    3,415.06x = 12,784,736.82
  5. Step 5: Solve for x
    x = 12,784,736.82/3,415.06
  6. Step 6: Final answer
    x = 3,743.63

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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.