Home / 5,787.06-7,986.16-3,134.44

Finding the Fourth Proportional to 5,787.06, 7,986.16 and 3,134.44

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Solution

The fourth proportional to 5,787.06, 7,986.16 and 3,134.44 is: 4,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.06 : 7,986.16 = 3,134.44 : x
  2. Step 2: Convert to fraction form
    5,787.06/7,986.16 = 3,134.44/x
  3. Step 3: Cross multiply
    5,787.06x = 7,986.16 × 3,134.44
  4. Step 4: Simplify right side
    5,787.06x = 25,032,139.35
  5. Step 5: Solve for x
    x = 25,032,139.35/5,787.06
  6. Step 6: Final answer
    x = 4,325.54

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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.