Home / 2,736.66-3,767.91-2,487.21

Finding the Fourth Proportional to 2,736.66, 3,767.91 and 2,487.21

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Solution

The fourth proportional to 2,736.66, 3,767.91 and 2,487.21 is: 3,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.66 : 3,767.91 = 2,487.21 : x
  2. Step 2: Convert to fraction form
    2,736.66/3,767.91 = 2,487.21/x
  3. Step 3: Cross multiply
    2,736.66x = 3,767.91 × 2,487.21
  4. Step 4: Simplify right side
    2,736.66x = 9,371,583.43
  5. Step 5: Solve for x
    x = 9,371,583.43/2,736.66
  6. Step 6: Final answer
    x = 3,424.46

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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.