Home / 6,079.84-8,390.17-3,427.23

Finding the Fourth Proportional to 6,079.84, 8,390.17 and 3,427.23

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Solution

The fourth proportional to 6,079.84, 8,390.17 and 3,427.23 is: 4,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.84 : 8,390.17 = 3,427.23 : x
  2. Step 2: Convert to fraction form
    6,079.84/8,390.17 = 3,427.23/x
  3. Step 3: Cross multiply
    6,079.84x = 8,390.17 × 3,427.23
  4. Step 4: Simplify right side
    6,079.84x = 28,755,061.46
  5. Step 5: Solve for x
    x = 28,755,061.46/6,079.84
  6. Step 6: Final answer
    x = 4,729.57

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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.