Home / 6,411.10-9,601.35-3,113.60

Finding the Fourth Proportional to 6,411.10, 9,601.35 and 3,113.60

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Solution

The fourth proportional to 6,411.10, 9,601.35 and 3,113.60 is: 4,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.10 : 9,601.35 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    6,411.10/9,601.35 = 3,113.60/x
  3. Step 3: Cross multiply
    6,411.10x = 9,601.35 × 3,113.60
  4. Step 4: Simplify right side
    6,411.10x = 29,894,763.36
  5. Step 5: Solve for x
    x = 29,894,763.36/6,411.10
  6. Step 6: Final answer
    x = 4,662.97

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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.