Home / 2,735.13-4,100.03-2,178.48

Finding the Fourth Proportional to 2,735.13, 4,100.03 and 2,178.48

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Solution

The fourth proportional to 2,735.13, 4,100.03 and 2,178.48 is: 3,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.13 : 4,100.03 = 2,178.48 : x
  2. Step 2: Convert to fraction form
    2,735.13/4,100.03 = 2,178.48/x
  3. Step 3: Cross multiply
    2,735.13x = 4,100.03 × 2,178.48
  4. Step 4: Simplify right side
    2,735.13x = 8,931,823.43
  5. Step 5: Solve for x
    x = 8,931,823.43/2,735.13
  6. Step 6: Final answer
    x = 3,265.60

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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.