Home / 3,001.46-4,136.39-2,160.73

Finding the Fourth Proportional to 3,001.46, 4,136.39 and 2,160.73

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Solution

The fourth proportional to 3,001.46, 4,136.39 and 2,160.73 is: 2,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.46 : 4,136.39 = 2,160.73 : x
  2. Step 2: Convert to fraction form
    3,001.46/4,136.39 = 2,160.73/x
  3. Step 3: Cross multiply
    3,001.46x = 4,136.39 × 2,160.73
  4. Step 4: Simplify right side
    3,001.46x = 8,937,607.24
  5. Step 5: Solve for x
    x = 8,937,607.24/3,001.46
  6. Step 6: Final answer
    x = 2,977.76

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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.