Home / 6,108.21-8,429.36-3,313.71

Finding the Fourth Proportional to 6,108.21, 8,429.36 and 3,313.71

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Solution

The fourth proportional to 6,108.21, 8,429.36 and 3,313.71 is: 4,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.21 : 8,429.36 = 3,313.71 : x
  2. Step 2: Convert to fraction form
    6,108.21/8,429.36 = 3,313.71/x
  3. Step 3: Cross multiply
    6,108.21x = 8,429.36 × 3,313.71
  4. Step 4: Simplify right side
    6,108.21x = 27,932,437.96
  5. Step 5: Solve for x
    x = 27,932,437.96/6,108.21
  6. Step 6: Final answer
    x = 4,572.93

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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.