Home / 3,033.84-4,186.80-1,707.78

Finding the Fourth Proportional to 3,033.84, 4,186.80 and 1,707.78

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Solution

The fourth proportional to 3,033.84, 4,186.80 and 1,707.78 is: 2,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.84 : 4,186.80 = 1,707.78 : x
  2. Step 2: Convert to fraction form
    3,033.84/4,186.80 = 1,707.78/x
  3. Step 3: Cross multiply
    3,033.84x = 4,186.80 × 1,707.78
  4. Step 4: Simplify right side
    3,033.84x = 7,150,133.30
  5. Step 5: Solve for x
    x = 7,150,133.30/3,033.84
  6. Step 6: Final answer
    x = 2,356.79

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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.