Home / 3,434.20-5,143.20-2,332.60

Finding the Fourth Proportional to 3,434.20, 5,143.20 and 2,332.60

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Solution

The fourth proportional to 3,434.20, 5,143.20 and 2,332.60 is: 3,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.20 : 5,143.20 = 2,332.60 : x
  2. Step 2: Convert to fraction form
    3,434.20/5,143.20 = 2,332.60/x
  3. Step 3: Cross multiply
    3,434.20x = 5,143.20 × 2,332.60
  4. Step 4: Simplify right side
    3,434.20x = 11,997,028.32
  5. Step 5: Solve for x
    x = 11,997,028.32/3,434.20
  6. Step 6: Final answer
    x = 3,493.40

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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.