Home / 6,072.92-8,380.58-3,421.18

Finding the Fourth Proportional to 6,072.92, 8,380.58 and 3,421.18

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Solution

The fourth proportional to 6,072.92, 8,380.58 and 3,421.18 is: 4,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.92 : 8,380.58 = 3,421.18 : x
  2. Step 2: Convert to fraction form
    6,072.92/8,380.58 = 3,421.18/x
  3. Step 3: Cross multiply
    6,072.92x = 8,380.58 × 3,421.18
  4. Step 4: Simplify right side
    6,072.92x = 28,671,460.29
  5. Step 5: Solve for x
    x = 28,671,460.29/6,072.92
  6. Step 6: Final answer
    x = 4,721.20

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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.