Home / 6,474.40-9,705.20-2,573.60

Finding the Fourth Proportional to 6,474.40, 9,705.20 and 2,573.60

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Solution

The fourth proportional to 6,474.40, 9,705.20 and 2,573.60 is: 3,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.40 : 9,705.20 = 2,573.60 : x
  2. Step 2: Convert to fraction form
    6,474.40/9,705.20 = 2,573.60/x
  3. Step 3: Cross multiply
    6,474.40x = 9,705.20 × 2,573.60
  4. Step 4: Simplify right side
    6,474.40x = 24,977,302.72
  5. Step 5: Solve for x
    x = 24,977,302.72/6,474.40
  6. Step 6: Final answer
    x = 3,857.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.