Home / 3,749.68-5,175.76-2,574.17

Finding the Fourth Proportional to 3,749.68, 5,175.76 and 2,574.17

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Solution

The fourth proportional to 3,749.68, 5,175.76 and 2,574.17 is: 3,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.68 : 5,175.76 = 2,574.17 : x
  2. Step 2: Convert to fraction form
    3,749.68/5,175.76 = 2,574.17/x
  3. Step 3: Cross multiply
    3,749.68x = 5,175.76 × 2,574.17
  4. Step 4: Simplify right side
    3,749.68x = 13,323,286.12
  5. Step 5: Solve for x
    x = 13,323,286.12/3,749.68
  6. Step 6: Final answer
    x = 3,553.18

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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.