Home / 7,605.50-11,403.03-3,656.59

Finding the Fourth Proportional to 7,605.50, 11,403.03 and 3,656.59

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Solution

The fourth proportional to 7,605.50, 11,403.03 and 3,656.59 is: 5,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.50 : 11,403.03 = 3,656.59 : x
  2. Step 2: Convert to fraction form
    7,605.50/11,403.03 = 3,656.59/x
  3. Step 3: Cross multiply
    7,605.50x = 11,403.03 × 3,656.59
  4. Step 4: Simplify right side
    7,605.50x = 41,696,234.25
  5. Step 5: Solve for x
    x = 41,696,234.25/7,605.50
  6. Step 6: Final answer
    x = 5,482.38

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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.