Home / 2,733.75-3,772.58-1,686.42

Finding the Fourth Proportional to 2,733.75, 3,772.58 and 1,686.42

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Solution

The fourth proportional to 2,733.75, 3,772.58 and 1,686.42 is: 2,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.75 : 3,772.58 = 1,686.42 : x
  2. Step 2: Convert to fraction form
    2,733.75/3,772.58 = 1,686.42/x
  3. Step 3: Cross multiply
    2,733.75x = 3,772.58 × 1,686.42
  4. Step 4: Simplify right side
    2,733.75x = 6,362,145.93
  5. Step 5: Solve for x
    x = 6,362,145.93/2,733.75
  6. Step 6: Final answer
    x = 2,327.26

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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.