Home / 3,143.14-4,712.47-1,476.33

Finding the Fourth Proportional to 3,143.14, 4,712.47 and 1,476.33

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Solution

The fourth proportional to 3,143.14, 4,712.47 and 1,476.33 is: 2,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.14 : 4,712.47 = 1,476.33 : x
  2. Step 2: Convert to fraction form
    3,143.14/4,712.47 = 1,476.33/x
  3. Step 3: Cross multiply
    3,143.14x = 4,712.47 × 1,476.33
  4. Step 4: Simplify right side
    3,143.14x = 6,957,157.14
  5. Step 5: Solve for x
    x = 6,957,157.14/3,143.14
  6. Step 6: Final answer
    x = 2,213.44

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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.