Home / 6,043.18-8,339.74-3,390.79

Finding the Fourth Proportional to 6,043.18, 8,339.74 and 3,390.79

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Solution

The fourth proportional to 6,043.18, 8,339.74 and 3,390.79 is: 4,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,043.18 : 8,339.74 = 3,390.79 : x
  2. Step 2: Convert to fraction form
    6,043.18/8,339.74 = 3,390.79/x
  3. Step 3: Cross multiply
    6,043.18x = 8,339.74 × 3,390.79
  4. Step 4: Simplify right side
    6,043.18x = 28,278,306.99
  5. Step 5: Solve for x
    x = 28,278,306.99/6,043.18
  6. Step 6: Final answer
    x = 4,679.38

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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.