Home / 1,853.12-2,761.84-1,850.24

Finding the Fourth Proportional to 1,853.12, 2,761.84 and 1,850.24

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Solution

The fourth proportional to 1,853.12, 2,761.84 and 1,850.24 is: 2,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.12 : 2,761.84 = 1,850.24 : x
  2. Step 2: Convert to fraction form
    1,853.12/2,761.84 = 1,850.24/x
  3. Step 3: Cross multiply
    1,853.12x = 2,761.84 × 1,850.24
  4. Step 4: Simplify right side
    1,853.12x = 5,110,066.84
  5. Step 5: Solve for x
    x = 5,110,066.84/1,853.12
  6. Step 6: Final answer
    x = 2,757.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.