Home / 5,787.11-7,986.18-3,270.04

Finding the Fourth Proportional to 5,787.11, 7,986.18 and 3,270.04

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Solution

The fourth proportional to 5,787.11, 7,986.18 and 3,270.04 is: 4,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.11 : 7,986.18 = 3,270.04 : x
  2. Step 2: Convert to fraction form
    5,787.11/7,986.18 = 3,270.04/x
  3. Step 3: Cross multiply
    5,787.11x = 7,986.18 × 3,270.04
  4. Step 4: Simplify right side
    5,787.11x = 26,115,095.82
  5. Step 5: Solve for x
    x = 26,115,095.82/5,787.11
  6. Step 6: Final answer
    x = 4,512.63

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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.