Home / 4,174.79-5,761.38-2,406.39

Finding the Fourth Proportional to 4,174.79, 5,761.38 and 2,406.39

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Solution

The fourth proportional to 4,174.79, 5,761.38 and 2,406.39 is: 3,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.79 : 5,761.38 = 2,406.39 : x
  2. Step 2: Convert to fraction form
    4,174.79/5,761.38 = 2,406.39/x
  3. Step 3: Cross multiply
    4,174.79x = 5,761.38 × 2,406.39
  4. Step 4: Simplify right side
    4,174.79x = 13,864,127.22
  5. Step 5: Solve for x
    x = 13,864,127.22/4,174.79
  6. Step 6: Final answer
    x = 3,320.92

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Half 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.