Home / 2,785.16-4,193.14-2,305.64

Finding the Fourth Proportional to 2,785.16, 4,193.14 and 2,305.64

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Solution

The fourth proportional to 2,785.16, 4,193.14 and 2,305.64 is: 3,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.16 : 4,193.14 = 2,305.64 : x
  2. Step 2: Convert to fraction form
    2,785.16/4,193.14 = 2,305.64/x
  3. Step 3: Cross multiply
    2,785.16x = 4,193.14 × 2,305.64
  4. Step 4: Simplify right side
    2,785.16x = 9,667,871.31
  5. Step 5: Solve for x
    x = 9,667,871.31/2,785.16
  6. Step 6: Final answer
    x = 3,471.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.