Home / 3,291.52-4,540.80-2,298.88

Finding the Fourth Proportional to 3,291.52, 4,540.80 and 2,298.88

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Solution

The fourth proportional to 3,291.52, 4,540.80 and 2,298.88 is: 3,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.52 : 4,540.80 = 2,298.88 : x
  2. Step 2: Convert to fraction form
    3,291.52/4,540.80 = 2,298.88/x
  3. Step 3: Cross multiply
    3,291.52x = 4,540.80 × 2,298.88
  4. Step 4: Simplify right side
    3,291.52x = 10,438,754.30
  5. Step 5: Solve for x
    x = 10,438,754.30/3,291.52
  6. Step 6: Final answer
    x = 3,171.41

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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.