Home / 5,460.12-8,182.35-3,115.27

Finding the Fourth Proportional to 5,460.12, 8,182.35 and 3,115.27

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Solution

The fourth proportional to 5,460.12, 8,182.35 and 3,115.27 is: 4,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.12 : 8,182.35 = 3,115.27 : x
  2. Step 2: Convert to fraction form
    5,460.12/8,182.35 = 3,115.27/x
  3. Step 3: Cross multiply
    5,460.12x = 8,182.35 × 3,115.27
  4. Step 4: Simplify right side
    5,460.12x = 25,490,229.48
  5. Step 5: Solve for x
    x = 25,490,229.48/5,460.12
  6. Step 6: Final answer
    x = 4,668.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.