Home / 3,457.35-5,186.68-1,896.50

Finding the Fourth Proportional to 3,457.35, 5,186.68 and 1,896.50

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Solution

The fourth proportional to 3,457.35, 5,186.68 and 1,896.50 is: 2,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.35 : 5,186.68 = 1,896.50 : x
  2. Step 2: Convert to fraction form
    3,457.35/5,186.68 = 1,896.50/x
  3. Step 3: Cross multiply
    3,457.35x = 5,186.68 × 1,896.50
  4. Step 4: Simplify right side
    3,457.35x = 9,836,538.62
  5. Step 5: Solve for x
    x = 9,836,538.62/3,457.35
  6. Step 6: Final answer
    x = 2,845.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.