Home / 5,787.72-8,684.79-2,826.18

Finding the Fourth Proportional to 5,787.72, 8,684.79 and 2,826.18

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Solution

The fourth proportional to 5,787.72, 8,684.79 and 2,826.18 is: 4,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.72 : 8,684.79 = 2,826.18 : x
  2. Step 2: Convert to fraction form
    5,787.72/8,684.79 = 2,826.18/x
  3. Step 3: Cross multiply
    5,787.72x = 8,684.79 × 2,826.18
  4. Step 4: Simplify right side
    5,787.72x = 24,544,779.80
  5. Step 5: Solve for x
    x = 24,544,779.80/5,787.72
  6. Step 6: Final answer
    x = 4,240.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.