Home / 2,622.32-3,932.88-1,160.68

Finding the Fourth Proportional to 2,622.32, 3,932.88 and 1,160.68

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Solution

The fourth proportional to 2,622.32, 3,932.88 and 1,160.68 is: 1,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.32 : 3,932.88 = 1,160.68 : x
  2. Step 2: Convert to fraction form
    2,622.32/3,932.88 = 1,160.68/x
  3. Step 3: Cross multiply
    2,622.32x = 3,932.88 × 1,160.68
  4. Step 4: Simplify right side
    2,622.32x = 4,564,815.16
  5. Step 5: Solve for x
    x = 4,564,815.16/2,622.32
  6. Step 6: Final answer
    x = 1,740.75

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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.