Home / 5,140.14-7,712.10-2,673.42

Finding the Fourth Proportional to 5,140.14, 7,712.10 and 2,673.42

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Solution

The fourth proportional to 5,140.14, 7,712.10 and 2,673.42 is: 4,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.14 : 7,712.10 = 2,673.42 : x
  2. Step 2: Convert to fraction form
    5,140.14/7,712.10 = 2,673.42/x
  3. Step 3: Cross multiply
    5,140.14x = 7,712.10 × 2,673.42
  4. Step 4: Simplify right side
    5,140.14x = 20,617,682.38
  5. Step 5: Solve for x
    x = 20,617,682.38/5,140.14
  6. Step 6: Final answer
    x = 4,011.11

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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.