Home / 3,896.10-5,370.45-3,574.33

Finding the Fourth Proportional to 3,896.10, 5,370.45 and 3,574.33

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Solution

The fourth proportional to 3,896.10, 5,370.45 and 3,574.33 is: 4,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.10 : 5,370.45 = 3,574.33 : x
  2. Step 2: Convert to fraction form
    3,896.10/5,370.45 = 3,574.33/x
  3. Step 3: Cross multiply
    3,896.10x = 5,370.45 × 3,574.33
  4. Step 4: Simplify right side
    3,896.10x = 19,195,753.82
  5. Step 5: Solve for x
    x = 19,195,753.82/3,896.10
  6. Step 6: Final answer
    x = 4,926.92

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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.