Home / 3,570.09-4,926.92-1,997.91

Finding the Fourth Proportional to 3,570.09, 4,926.92 and 1,997.91

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Solution

The fourth proportional to 3,570.09, 4,926.92 and 1,997.91 is: 2,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.09 : 4,926.92 = 1,997.91 : x
  2. Step 2: Convert to fraction form
    3,570.09/4,926.92 = 1,997.91/x
  3. Step 3: Cross multiply
    3,570.09x = 4,926.92 × 1,997.91
  4. Step 4: Simplify right side
    3,570.09x = 9,843,532.75
  5. Step 5: Solve for x
    x = 9,843,532.75/3,570.09
  6. Step 6: Final answer
    x = 2,757.22

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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.