Home / 2,744.48-3,786.52-1,681.70

Finding the Fourth Proportional to 2,744.48, 3,786.52 and 1,681.70

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Solution

The fourth proportional to 2,744.48, 3,786.52 and 1,681.70 is: 2,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.48 : 3,786.52 = 1,681.70 : x
  2. Step 2: Convert to fraction form
    2,744.48/3,786.52 = 1,681.70/x
  3. Step 3: Cross multiply
    2,744.48x = 3,786.52 × 1,681.70
  4. Step 4: Simplify right side
    2,744.48x = 6,367,771.49
  5. Step 5: Solve for x
    x = 6,367,771.49/2,744.48
  6. Step 6: Final answer
    x = 2,320.21

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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.