Home / 2,133.17-3,200.03-834.47

Finding the Fourth Proportional to 2,133.17, 3,200.03 and 834.47

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Solution

The fourth proportional to 2,133.17, 3,200.03 and 834.47 is: 1,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.17 : 3,200.03 = 834.47 : x
  2. Step 2: Convert to fraction form
    2,133.17/3,200.03 = 834.47/x
  3. Step 3: Cross multiply
    2,133.17x = 3,200.03 × 834.47
  4. Step 4: Simplify right side
    2,133.17x = 2,670,332.86
  5. Step 5: Solve for x
    x = 2,670,332.86/2,133.17
  6. Step 6: Final answer
    x = 1,251.81

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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.