Home / 4,147.52-5,715.70-2,966.54

Finding the Fourth Proportional to 4,147.52, 5,715.70 and 2,966.54

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Solution

The fourth proportional to 4,147.52, 5,715.70 and 2,966.54 is: 4,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.52 : 5,715.70 = 2,966.54 : x
  2. Step 2: Convert to fraction form
    4,147.52/5,715.70 = 2,966.54/x
  3. Step 3: Cross multiply
    4,147.52x = 5,715.70 × 2,966.54
  4. Step 4: Simplify right side
    4,147.52x = 16,955,816.68
  5. Step 5: Solve for x
    x = 16,955,816.68/4,147.52
  6. Step 6: Final answer
    x = 4,088.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.