Home / 5,465.82-7,542.74-3,107.91

Finding the Fourth Proportional to 5,465.82, 7,542.74 and 3,107.91

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Solution

The fourth proportional to 5,465.82, 7,542.74 and 3,107.91 is: 4,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.82 : 7,542.74 = 3,107.91 : x
  2. Step 2: Convert to fraction form
    5,465.82/7,542.74 = 3,107.91/x
  3. Step 3: Cross multiply
    5,465.82x = 7,542.74 × 3,107.91
  4. Step 4: Simplify right side
    5,465.82x = 23,442,164.84
  5. Step 5: Solve for x
    x = 23,442,164.84/5,465.82
  6. Step 6: Final answer
    x = 4,288.87

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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.