Home / 3,433.45-5,150.18-836.37

Finding the Fourth Proportional to 3,433.45, 5,150.18 and 836.37

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Solution

The fourth proportional to 3,433.45, 5,150.18 and 836.37 is: 1,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.45 : 5,150.18 = 836.37 : x
  2. Step 2: Convert to fraction form
    3,433.45/5,150.18 = 836.37/x
  3. Step 3: Cross multiply
    3,433.45x = 5,150.18 × 836.37
  4. Step 4: Simplify right side
    3,433.45x = 4,307,430.30
  5. Step 5: Solve for x
    x = 4,307,430.30/3,433.45
  6. Step 6: Final answer
    x = 1,254.55

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1.5x scale

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.