Home / 3,767.25-5,198.99-2,275.14

Finding the Fourth Proportional to 3,767.25, 5,198.99 and 2,275.14

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Solution

The fourth proportional to 3,767.25, 5,198.99 and 2,275.14 is: 3,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.25 : 5,198.99 = 2,275.14 : x
  2. Step 2: Convert to fraction form
    3,767.25/5,198.99 = 2,275.14/x
  3. Step 3: Cross multiply
    3,767.25x = 5,198.99 × 2,275.14
  4. Step 4: Simplify right side
    3,767.25x = 11,828,430.11
  5. Step 5: Solve for x
    x = 11,828,430.11/3,767.25
  6. Step 6: Final answer
    x = 3,139.80

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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.