Home / 5,107.20-7,660.05-1,596.39

Finding the Fourth Proportional to 5,107.20, 7,660.05 and 1,596.39

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Solution

The fourth proportional to 5,107.20, 7,660.05 and 1,596.39 is: 2,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.20 : 7,660.05 = 1,596.39 : x
  2. Step 2: Convert to fraction form
    5,107.20/7,660.05 = 1,596.39/x
  3. Step 3: Cross multiply
    5,107.20x = 7,660.05 × 1,596.39
  4. Step 4: Simplify right side
    5,107.20x = 12,228,427.22
  5. Step 5: Solve for x
    x = 12,228,427.22/5,107.20
  6. Step 6: Final answer
    x = 2,394.35

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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.