Home / 6,537.60-9,806.36-2,155.41

Finding the Fourth Proportional to 6,537.60, 9,806.36 and 2,155.41

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Solution

The fourth proportional to 6,537.60, 9,806.36 and 2,155.41 is: 3,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.60 : 9,806.36 = 2,155.41 : x
  2. Step 2: Convert to fraction form
    6,537.60/9,806.36 = 2,155.41/x
  3. Step 3: Cross multiply
    6,537.60x = 9,806.36 × 2,155.41
  4. Step 4: Simplify right side
    6,537.60x = 21,136,715.63
  5. Step 5: Solve for x
    x = 21,136,715.63/6,537.60
  6. Step 6: Final answer
    x = 3,233.10

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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.