Home / 7,023.25-9,691.23-3,879.46

Finding the Fourth Proportional to 7,023.25, 9,691.23 and 3,879.46

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Solution

The fourth proportional to 7,023.25, 9,691.23 and 3,879.46 is: 5,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.25 : 9,691.23 = 3,879.46 : x
  2. Step 2: Convert to fraction form
    7,023.25/9,691.23 = 3,879.46/x
  3. Step 3: Cross multiply
    7,023.25x = 9,691.23 × 3,879.46
  4. Step 4: Simplify right side
    7,023.25x = 37,596,739.14
  5. Step 5: Solve for x
    x = 37,596,739.14/7,023.25
  6. Step 6: Final answer
    x = 5,353.18

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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.