Home / 6,151.57-8,489.19-3,357.07

Finding the Fourth Proportional to 6,151.57, 8,489.19 and 3,357.07

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Solution

The fourth proportional to 6,151.57, 8,489.19 and 3,357.07 is: 4,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.57 : 8,489.19 = 3,357.07 : x
  2. Step 2: Convert to fraction form
    6,151.57/8,489.19 = 3,357.07/x
  3. Step 3: Cross multiply
    6,151.57x = 8,489.19 × 3,357.07
  4. Step 4: Simplify right side
    6,151.57x = 28,498,805.07
  5. Step 5: Solve for x
    x = 28,498,805.07/6,151.57
  6. Step 6: Final answer
    x = 4,632.77

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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.