Home / 3,688.76-5,090.94-2,095.89

Finding the Fourth Proportional to 3,688.76, 5,090.94 and 2,095.89

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Solution

The fourth proportional to 3,688.76, 5,090.94 and 2,095.89 is: 2,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.76 : 5,090.94 = 2,095.89 : x
  2. Step 2: Convert to fraction form
    3,688.76/5,090.94 = 2,095.89/x
  3. Step 3: Cross multiply
    3,688.76x = 5,090.94 × 2,095.89
  4. Step 4: Simplify right side
    3,688.76x = 10,670,050.24
  5. Step 5: Solve for x
    x = 10,670,050.24/3,688.76
  6. Step 6: Final answer
    x = 2,892.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.