Home / 5,410.55-7,464.30-3,141.43

Finding the Fourth Proportional to 5,410.55, 7,464.30 and 3,141.43

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Solution

The fourth proportional to 5,410.55, 7,464.30 and 3,141.43 is: 4,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.55 : 7,464.30 = 3,141.43 : x
  2. Step 2: Convert to fraction form
    5,410.55/7,464.30 = 3,141.43/x
  3. Step 3: Cross multiply
    5,410.55x = 7,464.30 × 3,141.43
  4. Step 4: Simplify right side
    5,410.55x = 23,448,605.17
  5. Step 5: Solve for x
    x = 23,448,605.17/5,410.55
  6. Step 6: Final answer
    x = 4,333.87

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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.