Home / 3,591.52-4,954.14-2,174.20

Finding the Fourth Proportional to 3,591.52, 4,954.14 and 2,174.20

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Solution

The fourth proportional to 3,591.52, 4,954.14 and 2,174.20 is: 2,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.52 : 4,954.14 = 2,174.20 : x
  2. Step 2: Convert to fraction form
    3,591.52/4,954.14 = 2,174.20/x
  3. Step 3: Cross multiply
    3,591.52x = 4,954.14 × 2,174.20
  4. Step 4: Simplify right side
    3,591.52x = 10,771,291.19
  5. Step 5: Solve for x
    x = 10,771,291.19/3,591.52
  6. Step 6: Final answer
    x = 2,999.09

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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.