Home / 3,457.36-5,186.68-1,896.51

Finding the Fourth Proportional to 3,457.36, 5,186.68 and 1,896.51

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Solution

The fourth proportional to 3,457.36, 5,186.68 and 1,896.51 is: 2,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.36 : 5,186.68 = 1,896.51 : x
  2. Step 2: Convert to fraction form
    3,457.36/5,186.68 = 1,896.51/x
  3. Step 3: Cross multiply
    3,457.36x = 5,186.68 × 1,896.51
  4. Step 4: Simplify right side
    3,457.36x = 9,836,585.75
  5. Step 5: Solve for x
    x = 9,836,585.75/3,457.36
  6. Step 6: Final answer
    x = 2,845.12

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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.