Home / 5,171.52-7,137.04-2,932.64

Finding the Fourth Proportional to 5,171.52, 7,137.04 and 2,932.64

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Solution

The fourth proportional to 5,171.52, 7,137.04 and 2,932.64 is: 4,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.52 : 7,137.04 = 2,932.64 : x
  2. Step 2: Convert to fraction form
    5,171.52/7,137.04 = 2,932.64/x
  3. Step 3: Cross multiply
    5,171.52x = 7,137.04 × 2,932.64
  4. Step 4: Simplify right side
    5,171.52x = 20,930,368.99
  5. Step 5: Solve for x
    x = 20,930,368.99/5,171.52
  6. Step 6: Final answer
    x = 4,047.24

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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.