Home / 3,697.38-5,100.21-2,701.50

Finding the Fourth Proportional to 3,697.38, 5,100.21 and 2,701.50

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Solution

The fourth proportional to 3,697.38, 5,100.21 and 2,701.50 is: 3,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.38 : 5,100.21 = 2,701.50 : x
  2. Step 2: Convert to fraction form
    3,697.38/5,100.21 = 2,701.50/x
  3. Step 3: Cross multiply
    3,697.38x = 5,100.21 × 2,701.50
  4. Step 4: Simplify right side
    3,697.38x = 13,778,217.32
  5. Step 5: Solve for x
    x = 13,778,217.32/3,697.38
  6. Step 6: Final answer
    x = 3,726.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.