Home / 6,108.12-8,429.10-3,313.56

Finding the Fourth Proportional to 6,108.12, 8,429.10 and 3,313.56

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Solution

The fourth proportional to 6,108.12, 8,429.10 and 3,313.56 is: 4,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.12 : 8,429.10 = 3,313.56 : x
  2. Step 2: Convert to fraction form
    6,108.12/8,429.10 = 3,313.56/x
  3. Step 3: Cross multiply
    6,108.12x = 8,429.10 × 3,313.56
  4. Step 4: Simplify right side
    6,108.12x = 27,930,328.60
  5. Step 5: Solve for x
    x = 27,930,328.60/6,108.12
  6. Step 6: Final answer
    x = 4,572.66

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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.