Home / 6,456.10-9,680.28-2,237.96

Finding the Fourth Proportional to 6,456.10, 9,680.28 and 2,237.96

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Solution

The fourth proportional to 6,456.10, 9,680.28 and 2,237.96 is: 3,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.10 : 9,680.28 = 2,237.96 : x
  2. Step 2: Convert to fraction form
    6,456.10/9,680.28 = 2,237.96/x
  3. Step 3: Cross multiply
    6,456.10x = 9,680.28 × 2,237.96
  4. Step 4: Simplify right side
    6,456.10x = 21,664,085.02
  5. Step 5: Solve for x
    x = 21,664,085.02/6,456.10
  6. Step 6: Final answer
    x = 3,355.60

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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.