Home / 5,629.05-8,440.74-1,732.95

Finding the Fourth Proportional to 5,629.05, 8,440.74 and 1,732.95

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Solution

The fourth proportional to 5,629.05, 8,440.74 and 1,732.95 is: 2,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.05 : 8,440.74 = 1,732.95 : x
  2. Step 2: Convert to fraction form
    5,629.05/8,440.74 = 1,732.95/x
  3. Step 3: Cross multiply
    5,629.05x = 8,440.74 × 1,732.95
  4. Step 4: Simplify right side
    5,629.05x = 14,627,380.38
  5. Step 5: Solve for x
    x = 14,627,380.38/5,629.05
  6. Step 6: Final answer
    x = 2,598.55

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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.