Home / 6,151.06-8,488.68-3,425.68

Finding the Fourth Proportional to 6,151.06, 8,488.68 and 3,425.68

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Solution

The fourth proportional to 6,151.06, 8,488.68 and 3,425.68 is: 4,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.06 : 8,488.68 = 3,425.68 : x
  2. Step 2: Convert to fraction form
    6,151.06/8,488.68 = 3,425.68/x
  3. Step 3: Cross multiply
    6,151.06x = 8,488.68 × 3,425.68
  4. Step 4: Simplify right side
    6,151.06x = 29,079,501.30
  5. Step 5: Solve for x
    x = 29,079,501.30/6,151.06
  6. Step 6: Final answer
    x = 4,727.56

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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.