Home / 3,475.63-5,214.78-2,089.95

Finding the Fourth Proportional to 3,475.63, 5,214.78 and 2,089.95

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Solution

The fourth proportional to 3,475.63, 5,214.78 and 2,089.95 is: 3,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.63 : 5,214.78 = 2,089.95 : x
  2. Step 2: Convert to fraction form
    3,475.63/5,214.78 = 2,089.95/x
  3. Step 3: Cross multiply
    3,475.63x = 5,214.78 × 2,089.95
  4. Step 4: Simplify right side
    3,475.63x = 10,898,639.24
  5. Step 5: Solve for x
    x = 10,898,639.24/3,475.63
  6. Step 6: Final answer
    x = 3,135.73

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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.