Home / 3,185.16-4,395.06-1,787.64

Finding the Fourth Proportional to 3,185.16, 4,395.06 and 1,787.64

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Solution

The fourth proportional to 3,185.16, 4,395.06 and 1,787.64 is: 2,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.16 : 4,395.06 = 1,787.64 : x
  2. Step 2: Convert to fraction form
    3,185.16/4,395.06 = 1,787.64/x
  3. Step 3: Cross multiply
    3,185.16x = 4,395.06 × 1,787.64
  4. Step 4: Simplify right side
    3,185.16x = 7,856,785.06
  5. Step 5: Solve for x
    x = 7,856,785.06/3,185.16
  6. Step 6: Final answer
    x = 2,466.68

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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.