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Finding the Fourth Proportional to 3,162.58, 4,364.58 and 1,765.33

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Solution

The fourth proportional to 3,162.58, 4,364.58 and 1,765.33 is: 2,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.58 : 4,364.58 = 1,765.33 : x
  2. Step 2: Convert to fraction form
    3,162.58/4,364.58 = 1,765.33/x
  3. Step 3: Cross multiply
    3,162.58x = 4,364.58 × 1,765.33
  4. Step 4: Simplify right side
    3,162.58x = 7,704,924.01
  5. Step 5: Solve for x
    x = 7,704,924.01/3,162.58
  6. Step 6: Final answer
    x = 2,436.28

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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.