Home / 3,171.02-4,376.19-1,845.14

Finding the Fourth Proportional to 3,171.02, 4,376.19 and 1,845.14

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Solution

The fourth proportional to 3,171.02, 4,376.19 and 1,845.14 is: 2,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.02 : 4,376.19 = 1,845.14 : x
  2. Step 2: Convert to fraction form
    3,171.02/4,376.19 = 1,845.14/x
  3. Step 3: Cross multiply
    3,171.02x = 4,376.19 × 1,845.14
  4. Step 4: Simplify right side
    3,171.02x = 8,074,683.22
  5. Step 5: Solve for x
    x = 8,074,683.22/3,171.02
  6. Step 6: Final answer
    x = 2,546.40

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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.