Home / 6,078.39-8,366.40-4,306.92

Finding the Fourth Proportional to 6,078.39, 8,366.40 and 4,306.92

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Solution

The fourth proportional to 6,078.39, 8,366.40 and 4,306.92 is: 5,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.39 : 8,366.40 = 4,306.92 : x
  2. Step 2: Convert to fraction form
    6,078.39/8,366.40 = 4,306.92/x
  3. Step 3: Cross multiply
    6,078.39x = 8,366.40 × 4,306.92
  4. Step 4: Simplify right side
    6,078.39x = 36,033,415.49
  5. Step 5: Solve for x
    x = 36,033,415.49/6,078.39
  6. Step 6: Final answer
    x = 5,928.12

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Half scale
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Double scale
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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.