Home / 5,059.59-6,977.68-3,171.36

Finding the Fourth Proportional to 5,059.59, 6,977.68 and 3,171.36

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Solution

The fourth proportional to 5,059.59, 6,977.68 and 3,171.36 is: 4,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.59 : 6,977.68 = 3,171.36 : x
  2. Step 2: Convert to fraction form
    5,059.59/6,977.68 = 3,171.36/x
  3. Step 3: Cross multiply
    5,059.59x = 6,977.68 × 3,171.36
  4. Step 4: Simplify right side
    5,059.59x = 22,128,753.48
  5. Step 5: Solve for x
    x = 22,128,753.48/5,059.59
  6. Step 6: Final answer
    x = 4,373.63

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1.5x scale

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.