Home / 6,108.12-8,429.16-3,313.60

Finding the Fourth Proportional to 6,108.12, 8,429.16 and 3,313.60

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Solution

The fourth proportional to 6,108.12, 8,429.16 and 3,313.60 is: 4,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.12 : 8,429.16 = 3,313.60 : x
  2. Step 2: Convert to fraction form
    6,108.12/8,429.16 = 3,313.60/x
  3. Step 3: Cross multiply
    6,108.12x = 8,429.16 × 3,313.60
  4. Step 4: Simplify right side
    6,108.12x = 27,930,864.58
  5. Step 5: Solve for x
    x = 27,930,864.58/6,108.12
  6. Step 6: Final answer
    x = 4,572.74

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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.