Home / 4,474.80-6,174.64-2,485.36

Finding the Fourth Proportional to 4,474.80, 6,174.64 and 2,485.36

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Solution

The fourth proportional to 4,474.80, 6,174.64 and 2,485.36 is: 3,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.80 : 6,174.64 = 2,485.36 : x
  2. Step 2: Convert to fraction form
    4,474.80/6,174.64 = 2,485.36/x
  3. Step 3: Cross multiply
    4,474.80x = 6,174.64 × 2,485.36
  4. Step 4: Simplify right side
    4,474.80x = 15,346,203.27
  5. Step 5: Solve for x
    x = 15,346,203.27/4,474.80
  6. Step 6: Final answer
    x = 3,429.47

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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.