Home / 2,729.84-3,767.04-1,550.96

Finding the Fourth Proportional to 2,729.84, 3,767.04 and 1,550.96

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Solution

The fourth proportional to 2,729.84, 3,767.04 and 1,550.96 is: 2,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.84 : 3,767.04 = 1,550.96 : x
  2. Step 2: Convert to fraction form
    2,729.84/3,767.04 = 1,550.96/x
  3. Step 3: Cross multiply
    2,729.84x = 3,767.04 × 1,550.96
  4. Step 4: Simplify right side
    2,729.84x = 5,842,528.36
  5. Step 5: Solve for x
    x = 5,842,528.36/2,729.84
  6. Step 6: Final answer
    x = 2,140.25

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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.