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Finding the Fourth Proportional to 2,713.08, 3,740.22 and 1,926.84

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Solution

The fourth proportional to 2,713.08, 3,740.22 and 1,926.84 is: 2,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.08 : 3,740.22 = 1,926.84 : x
  2. Step 2: Convert to fraction form
    2,713.08/3,740.22 = 1,926.84/x
  3. Step 3: Cross multiply
    2,713.08x = 3,740.22 × 1,926.84
  4. Step 4: Simplify right side
    2,713.08x = 7,206,805.50
  5. Step 5: Solve for x
    x = 7,206,805.50/2,713.08
  6. Step 6: Final answer
    x = 2,656.32

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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.