Home / 5,415.44-7,467.98-3,291.30

Finding the Fourth Proportional to 5,415.44, 7,467.98 and 3,291.30

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Solution

The fourth proportional to 5,415.44, 7,467.98 and 3,291.30 is: 4,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.44 : 7,467.98 = 3,291.30 : x
  2. Step 2: Convert to fraction form
    5,415.44/7,467.98 = 3,291.30/x
  3. Step 3: Cross multiply
    5,415.44x = 7,467.98 × 3,291.30
  4. Step 4: Simplify right side
    5,415.44x = 24,579,346.12
  5. Step 5: Solve for x
    x = 24,579,346.12/5,415.44
  6. Step 6: Final answer
    x = 4,538.76

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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.