Home / 3,143.10-4,712.76-1,062.54

Finding the Fourth Proportional to 3,143.10, 4,712.76 and 1,062.54

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Solution

The fourth proportional to 3,143.10, 4,712.76 and 1,062.54 is: 1,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.10 : 4,712.76 = 1,062.54 : x
  2. Step 2: Convert to fraction form
    3,143.10/4,712.76 = 1,062.54/x
  3. Step 3: Cross multiply
    3,143.10x = 4,712.76 × 1,062.54
  4. Step 4: Simplify right side
    3,143.10x = 5,007,496.01
  5. Step 5: Solve for x
    x = 5,007,496.01/3,143.10
  6. Step 6: Final answer
    x = 1,593.17

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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.