Home / 6,077.75-8,388.51-3,425.21

Finding the Fourth Proportional to 6,077.75, 8,388.51 and 3,425.21

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Solution

The fourth proportional to 6,077.75, 8,388.51 and 3,425.21 is: 4,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.75 : 8,388.51 = 3,425.21 : x
  2. Step 2: Convert to fraction form
    6,077.75/8,388.51 = 3,425.21/x
  3. Step 3: Cross multiply
    6,077.75x = 8,388.51 × 3,425.21
  4. Step 4: Simplify right side
    6,077.75x = 28,732,366.39
  5. Step 5: Solve for x
    x = 28,732,366.39/6,077.75
  6. Step 6: Final answer
    x = 4,727.47

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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.