Home / 5,653.80-8,482.56-2,731.68

Finding the Fourth Proportional to 5,653.80, 8,482.56 and 2,731.68

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Solution

The fourth proportional to 5,653.80, 8,482.56 and 2,731.68 is: 4,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.80 : 8,482.56 = 2,731.68 : x
  2. Step 2: Convert to fraction form
    5,653.80/8,482.56 = 2,731.68/x
  3. Step 3: Cross multiply
    5,653.80x = 8,482.56 × 2,731.68
  4. Step 4: Simplify right side
    5,653.80x = 23,171,639.50
  5. Step 5: Solve for x
    x = 23,171,639.50/5,653.80
  6. Step 6: Final answer
    x = 4,098.42

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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.