Home / 3,098.76-4,276.14-1,772.94

Finding the Fourth Proportional to 3,098.76, 4,276.14 and 1,772.94

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Solution

The fourth proportional to 3,098.76, 4,276.14 and 1,772.94 is: 2,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.76 : 4,276.14 = 1,772.94 : x
  2. Step 2: Convert to fraction form
    3,098.76/4,276.14 = 1,772.94/x
  3. Step 3: Cross multiply
    3,098.76x = 4,276.14 × 1,772.94
  4. Step 4: Simplify right side
    3,098.76x = 7,581,339.65
  5. Step 5: Solve for x
    x = 7,581,339.65/3,098.76
  6. Step 6: Final answer
    x = 2,446.57

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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.