Home / 3,697.86-5,541.99-1,938.41

Finding the Fourth Proportional to 3,697.86, 5,541.99 and 1,938.41

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Solution

The fourth proportional to 3,697.86, 5,541.99 and 1,938.41 is: 2,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.86 : 5,541.99 = 1,938.41 : x
  2. Step 2: Convert to fraction form
    3,697.86/5,541.99 = 1,938.41/x
  3. Step 3: Cross multiply
    3,697.86x = 5,541.99 × 1,938.41
  4. Step 4: Simplify right side
    3,697.86x = 10,742,648.84
  5. Step 5: Solve for x
    x = 10,742,648.84/3,697.86
  6. Step 6: Final answer
    x = 2,905.10

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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.