Home / 6,141.15-8,474.40-3,488.54

Finding the Fourth Proportional to 6,141.15, 8,474.40 and 3,488.54

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Solution

The fourth proportional to 6,141.15, 8,474.40 and 3,488.54 is: 4,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.15 : 8,474.40 = 3,488.54 : x
  2. Step 2: Convert to fraction form
    6,141.15/8,474.40 = 3,488.54/x
  3. Step 3: Cross multiply
    6,141.15x = 8,474.40 × 3,488.54
  4. Step 4: Simplify right side
    6,141.15x = 29,563,241.00
  5. Step 5: Solve for x
    x = 29,563,241.00/6,141.15
  6. Step 6: Final answer
    x = 4,813.96

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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.