Home / 5,090.42-7,635.52-2,491.54

Finding the Fourth Proportional to 5,090.42, 7,635.52 and 2,491.54

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Solution

The fourth proportional to 5,090.42, 7,635.52 and 2,491.54 is: 3,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.42 : 7,635.52 = 2,491.54 : x
  2. Step 2: Convert to fraction form
    5,090.42/7,635.52 = 2,491.54/x
  3. Step 3: Cross multiply
    5,090.42x = 7,635.52 × 2,491.54
  4. Step 4: Simplify right side
    5,090.42x = 19,024,203.50
  5. Step 5: Solve for x
    x = 19,024,203.50/5,090.42
  6. Step 6: Final answer
    x = 3,737.26

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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.