Home / 5,741.20-8,606.40-4,491.10

Finding the Fourth Proportional to 5,741.20, 8,606.40 and 4,491.10

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Solution

The fourth proportional to 5,741.20, 8,606.40 and 4,491.10 is: 6,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.20 : 8,606.40 = 4,491.10 : x
  2. Step 2: Convert to fraction form
    5,741.20/8,606.40 = 4,491.10/x
  3. Step 3: Cross multiply
    5,741.20x = 8,606.40 × 4,491.10
  4. Step 4: Simplify right side
    5,741.20x = 38,652,203.04
  5. Step 5: Solve for x
    x = 38,652,203.04/5,741.20
  6. Step 6: Final answer
    x = 6,732.43

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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.